2025/10/23 (Day 1)

Opening Address 9:00 〜 9:06

Main Hall

KN Keynote Address 1 09:06 〜 09:36

Main moderator of Technical session:Toru Yasuda, JRAIA
KN1 Accelerating Efforts towards Carbon Neutrality 2050 in Japanese Industry Download

◯ Tetsuji Okada (The Japan Refrigeration and Air Conditioning Industry Association (JRAIA))

TS01 Environment 1 09:40 〜 11:20

Moderator: Akira HIWATA, Panasonic Corporation/ Toru YASUDA, The Japan Refrigeration and Air Conditioning Industry Association
TS011 Japan’s Policy Measures for Phasing-down HFCs Download

◯ Kohei Yamamoto (Ministry of Economy, Trade and Industry)
TS012 European Union Policy and Regulatory Developments impacting the RACHP industry Download
A quick guide to understanding where Europe is at!

◯ russell M Patten (EPEE)
TS013 The Path to Sustainability in Uncertain Times Download

◯ Stephen R Yurek (AHRI)
TS014 Refrigerant Transition in China’ R&AC industry: Policy Drivers, Industry Progress Download

◯ Ruonan Wang (China Refrigeration and Air-conditioning Industry Association(CRAA))
TS015 PFAS restricting regulatory trend Download
Update EU, US and Japan

◯ Junichi Ishikawa (Conference of Fluoro-Chemical Product Japan)
TS016 Scenario analysis of the effect of reducing HFC emissions for residential air conditioners Download

◯ Takashi Homma, Keigo Akimoto (Research Institute of Innovative Technology for the Earth (RITE)), Fumiaki Yakushiji (Daikin Industries, Ltd.)

PS Poster Session 1 11:25 〜 11:45

Moderator: Akira HIWATA, Panasonic Corporation
PS1 Status of Risk Assessment and Safety Measures for Room Air Conditioners using an A3 Refrigerant R290 (Propane) Download

◯ Hiroshi Nakamura, Shigeharu Taira, Madoka Ueno, Kento Okuzawa, Atsushi Baba, Yuya Yamada, Yoshiharu Tsukada, Shunji Itakura, Hiroshi Kambara, Kazuhide Yamamoto (The Japan Refrigeration and Air Conditioning Industry Association (JRAIA))
PS2 A3 Chiller risk assessment Download

◯ Takahiro Akizuki, Shuji Fukano, Kazuto Okada, Kazutaka Hori, Tomonari Asakura, Akira Hiwata, Masaya Iwamoto, Takuya Okada (The Japan Refrigeration and Air Conditioning Industry Association)
PS3 Methodology for risk assessment of higher or lower flammability refrigerants Download

◯ Koji Yamashita (Air-Conditioning & Refrigeration Engineering Laboratory)
PS4 Explosion-proof R290 refrigerant vacuum metering and filling equipment Download
Explosion-proof device that charges A3 refrigerant using temperature difference

◯ Naofumi Miwa (Higashi-Nippon Iwatani Gas Corporation), Shigeru Suwa (Pro-step co.,ltd), Tomofumi Ohashi (Nichiden Kogyo Co., Ltd.)
PS5 Service Tools for Natural Refrigerants Download
In preparation for commercialization of service tools for natural refrigerants such as HC, CO2, and ammonia

◯ Motoki Masuda (Asada　Corporation)
PS6 Introduction of an LED-based NDIR Refrigerant Detector for R32 Building-use Multi Air Conditioners Download

◯ Hideki Takeyama (ICHINEN TASCO CO., LTD.)
PS7 Regenerative circulation type pipe cleaning unit for using environmentally friendly refrigerant HCFO-1224yd Download
High boiling point solvent regeneration circulation system with new mechanism.

◯ Takashi Kitsuwa (Pro-step co.,ltd)
PS8 Manifold gauges designed to minimize human error Download
From 4-valve manifold gauge to new mechanism 2 rotary valve manifold

◯ Shigeru Suwa (Pro-step co.,ltd)
PS9 "Helium gas recovery and reuse device" for airtightness inspection Download
Helium gas reuse equipment for energy saving purposes

◯ Shuji Gyokusen (Nichiden Kogyo Co.,LTD.)
PS10 3R machine with tablet PC and scanning tool for car maintenance business. Download

◯ Issei Higami, Kenji Yamasaki (DENGEN CO.,LTD.), Naoaki Watanabe (DENGEN CO., LTD.)
PS11 R32 VRF air conditioners Download

◯ Yuta FUKUYAMA (DAIKIN INDUSTRIES, LTD.)
PS12 Development of compressor for multi air conditioning system using CO2 refrigerant Download

◯ Keisuke NOBA (DAIKIN INDUSTRIES, LTD.)
PS13 Development of Technology for Rapid On-Site Detection of R32 Refrigerant Leaks: Second Follow-Up Study Download

◯ Tomoatsu Minamida, Tomoyuki Haikawa, Kazuyuki Satoh (Daikin industries, LTD.), Tsuyoshi Hara (Tokyo Gas Engineering Solutions Corporation)
PS14 The leakage detecting system of fluorinated gases by continuous monitoring Download
Guideline for commercial refrigerating and air conditioning appliances

◯ Yukio kitade, Masaki Nakayama, Makoto Kondo, Yoshihito Taniguchi, Yukio Kiguchi, Ryutaro Ono, Kazuhiro Tsuchihashi, Msahumi Ono, Shinya Asano, Takachika Mori, Yoshikazu Yazi, Takaharu Kadoi (The Japan Refrigeration and Air Conditioning Industry Association (JRAIA))
PS15 ASSISNET SERVICE Download
Assisting air conditioner management with IoT technology

◯ osamu matsumura (DAIKIN INDUSTRIES, LTD.)
PS16 Development of refrigerant leak detection technology for mechanical transport refrigeration units using IoT technology Download

◯ Takehiro Kurata, Masafumi Awa (Denso Corp.)
PS17 Development trend of gas sensor modules for R32,R454B,R290 refrigerant leak detection Download

◯ Keita Yoshimoto, Yoshihiro Umeno (Figaro Engineering Inc.)
PS18 Research project activities of JSRAE Download

◯ Hiromasa FURUKAWA, Choiku YOSHIKAWA (The Japan Society of Refrigerating and Air Conditioning Engineers (JSRAE))
PS19 Performance evaluation of commercial air conditioning systems using natural refrigerants Download

◯ Jongsoo JEONG, Yoichi Miyaoka, Niccolo Giannetti, Kiyoshi Saito (Waseda University)
PS20 Target values ​​and target fiscal years for the designated products system under the Fluorocarbons Emissions Reduction Act Download
List of products designated under the Fluorocarbons Emissions Control Law for which environmental impact target values ​​and target fiscal years have been set

◯ Shunji Sasaki, Toru Yasuda, Kazuhiro Hasegawa (The Japan Refrigeration and Air Conditioning Industry Association (JRAIA))

TS02 Technology for equipment using new refrigerants 1 13:00 〜 14:40

Moderator: Shigeharu TAIRA, Daikin Industries,Ltd./ Yoshihiro SUMIDA, Mitsubishi Electric Corporation
TS021 High-Efficiency Centrifugal Chillers "JHT-Y Series" Using Low GWP Refrigerant HFO-1234yf Download

Noriyuki Matsukura, Naoya Miyoshi, ◯ Kazuma Fukasawa, Makoto Shimokawa (Mitsubishi Heavy Industries Thermal Systems, LTD)
TS022 Study of Scroll Condensing Unit for Green Refrigerant R474B Download

◯ Nobuyoshi KAWASE, Masahiro NISHIDE, Koji NAITO, Shinji TAKESUE (Hitachi Global Life Solutions, Inc.)
TS023 Development of commercial multi-split air conditioners using natural refrigerants Download

◯ Fumiya Tanahashi, Yoshiki Yamanoi, Takeru Miyazaki, Yusuke Oka, Kazuya Sawatari (Daikin Industries, LTD.)
TS024 Development of Hot Water Heat Pump Using A3 Refrigerant R290 Download

◯ Shunya Gyotoku, Takahito Hikone, Masao Oku, Yusuke Tashiro, Tomoyoshi Obayashi (Mitsubishi Electric Corporation)
TS025 Development of air to water heat pump using refrigerant R290 Download

Nishida Teruo, Ono Takashi, ◯ Matsusaka Yukio (Daikin Industries, LTD)
TS026 Performance Evaluations of a Residential Air Conditioner using R-1132(E) mixed Refrigerants Download

◯ Seiya INADA, Masanori SATO, Ryuichi NAGATA, Kenta MURATA, Takuya MATSUDA (Mitsubishi Electric Corporation)

TS03 Compressor / Lubricant 1 14:50 〜 16:00

Yoshiaki MIYAMOTO, Mitsubishi Heavy Industries Thermal Systems, Ltd./ Souichiro KONNO, ENEOS Corporation
TS031 Development of large capacity two stage compressor for CO2 refrigerators Download

◯ Masakazu ISHITOBI, Yohei HOTTA (Mitsubishi Heavy Industries Thermal Systems, Ltd.), Kentaro KISHI, Takashi WATANABE (Mitsubishi Heavy Industries, Ltd.)
TS032 Development of a piston and vane connected assembled vane compressor Download

◯ Nakai Hiroaki, Nishibu Mamoru, Hasebe Jun, Hayashi Akihiro (Panasonic)
TS033 Innovative VE SRB type Compressor Development compatible with R454B refrigerant Download

◯ Tsukamoto Takuma (MITSUBISHI ELECTRIC CORPORATION)
TS034 Examination on Solubility and Volume Change of POE/R454C Mixture Download

Wannarat Rakpakdee, ◯ Takuma Koarashi, Mitsuhiro Fukuta, Masaaki Motozawa (Shizuoka University)

TS04 Refrigerant safety / Refrigerant life cycle management 1 16:10 〜 17:35

Moderator: Hiroichi YAMAGUCHI, Carrier Japan Corporation/ Takahiro HASHIMOTO, Sharp Corporation
TS041 Development of Refrigeration and Air-Conditioning Technologies for Practical Use of Next-Generation Low-GWP Refrigerants Download

◯ Eiji Hihara (National Institution for Academic Degrees and Quality Enhancement of Higher Education (NIAD-QE)), Tomokazu Mori (New Energy and Industrial Technology Development Organization (NEDO))
TS042 Development of Evaluation Method for Self-Decomposition Reactions of Next-Generation Refrigerants Download

◯ Tomohiro HIGASHI, Makoto ITO, Katsumi HASHIMOTO, Masashi KOTARI (Central Research Institute of Electric Power Industry ENIC Division Grid Innovation Research Laboratory (CRIEPI)), Zhihua ZHANG, Hidekazu OKAMOTO (AGC Inc.), Tomohito INOUE, Tomoyuki GOTO, Yasufu YAMADA, Takashi USUI (Daikin Industries, Ltd.), Eiji HIHARA (National Institution for Academic Degrees and Quality Enhancement of Higher Education)
TS043 Evaluation for self-decomposition of R-1132(E) mixed refrigerants Download

Takashi Usui, Tomoyuki Goto, Yasufu Yamada, ◯ Tomohito Inoue (DAIKIN INDUSTRIES, LTD.)
TS044 Development of an Ignition Method for the Self-decomposition of HFO Refrigerants Download

◯ Zhihua Zhang, Hidekazu Okamoto (AGC Inc.)
TS045 Arc Discharge Energy Generated by an Electrical Short in the Coil Winding of a Compressor in a Room Air Conditioner Powered by an Inverter Power Source Download

◯ Tomohiko Imamura (Suwa University of Science), Masato Takagi (Graduate School, Suwa University of Science), Shugo Aida, Ryosei Hirano (Suwa University of Science), Jun-ichi Suematsu (Graduate School, Suwa Universiyty of Science)

Welcome reception 18:30 〜 20:30

Room “Ohwada” Portopia Hotel (South Wing/ 1F)