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

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

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

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

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

◯ Ruonan Wang (China Refrigeration and Air-conditioning Industry Association(CRAA))
TS015 PFAS restricting regulatory trend
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

◯ 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)

◯ 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

◯ 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

◯ Koji Yamashita (Air-Conditioning & Refrigeration Engineering Laboratory)
PS4 A3 Refrigerant Measuring and Charging Device
Explosion-proof device that charges A3 refrigerant using temperature difference

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

◯ Motoki Masuda (Asada　Corporation)
PS6 Introducing Next Generation Refrigerant Service Tools and System Parts

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

◯ Takashi Kitsuwa (Pro-step co.,ltd)
PS8 New mechanism 4-port ball valve manifold gauge
2-valve 4-port manifold gauge combining rotary ball valve manifold

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

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

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

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

◯ 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
Guideline for commercial refrigerating and air conditioning appliances

◯ Kitade A Yukio (The Japan Refrigeration and Air Conditioning Industry Association (JRAIA))
PS15 ASSISNET SERVICE
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

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

◯ Keita Yoshimoto, Yoshihiro Umeno (Figaro Engineering Inc.)
PS18 Research project activities of JSRAE
Advanced Heat Pumps Lead to a New Era in the Thermal Field

◯ 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

◯ 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
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

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

◯ Nobuyoshi KAWASE, Masahiro NISHIDE, Koji NAITO, Shinji TAKESUE (Hitachi-Johnson Controls Air Conditioning, Inc.)
TS023 Development of commercial multi-split air conditioners using natural refrigerants

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

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

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

◯ Inada Seiya, Sato Masanori, Nagata Ryuichi, Matsuda Takuya (Mitsubishi Electric Corporation)

TS06-1 Compressor / Lubricant 1 14:50 〜 16:00

Yoshiaki MIYAMOTO, Mitsubishi Heavy Industries Thermal Systems, Ltd./ Souichiro KONNO, ENEOS Corporation
TS06-11 Development of large capacity two stage compressor for CO2 refrigerators

◯ Masakazu ISHITOBI, Yohei HOTTA (Mitsubishi Heavy Industries Thermal Systems, Ltd.), Kentaro KISHI, Takashi WATANABE (Mitsubishi Heavy Industries, Ltd.)
TS06-12 Development of a piston and vane connected assembled vane compressor

◯ Nakai Hiroaki, Nishibu Mamoru, Hasebe Jun, Hayashi Akihiro (Panasonic)
TS06-13 Innovative VE SRB type Compressor Development compatible with R454B refrigerant

◯ Tsukamoto Takuma (MITSUBISHI ELECTRIC CORPORATION)
TS06-14 Examination on Solubility and Volume Change of POE/R454C Mixture

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

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

Moderator: Hiroichi YAMAGUCHI, Carrier Japan Corporation/ Takahiro HASHIMOTO, Sharp Corporation
TS04-11 Development of Refrigeration and Air-Conditioning Technologies for Practical Use of Next-Generation Low-GWP Refrigerants

◯ 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))
TS04-12 Development of Evaluation Method for Self-Decomposition Reactions of Next-Generation Refrigerants

◯ Higashi Tomohiro, Ito Makoto, Hashimoto Katsumi, Kotari Masashi (Central Research Institute of Electric Power Industry ENIC Division Grid Innovation Research Laboratory (CRIEPI)), Hihara Eiji (National Institution for Academic Degrees and Quality Enhancement of Higher Education (NIAD-QE))
TS04-13 Evaluation for self-decomposition of R-1132(E) mixed refrigerants

◯ Takashi Usui, Tomoyuki Goto, Yasufu Yamada, Tomohito Inoue (DAIKIN INDUSTRIES, LTD.)
TS04-14 Development of an Ignition Method for the Disproportionation of HFO Refrigerants

◯ Zhihua Zhang, Hidekazu Okamoto (AGC Inc.)
TS04-15 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

◯ Tomohiko Imamura (Suwa University of Science), Masato Takagi (Graduate School, Suwa University of Science), 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 (Main Building/ B1F)