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Yasufu Yamada

DI Daikin Industries: 30 patents #52 of 2,957Top 2%
Overall (All Time): #120,878 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12221577 Composition containing refrigerant, and refrigeration method using said composition, operating method for refrigeration device, and refrigeration device Shun OHKUBO, Mitsushi ITANO, Yuuki YOTSUMOTO, Akihito MIZUNO, Tomoyuki GOTOU 2025-02-11
11939515 Refrigerant-containing composition, heat transfer medium, and heat cycle system Mitsushi ITANO, Shun OHKUBO, Hitomi KUROKI, Tatsumi Tsuchiya, Kenji GOBOU 2024-03-26
11920077 Refrigeration cycle device for vehicle Eiji Kumakura, Kazuhiro Furusho, Masaru Tanaka, Shun OHKUBO, Mitsushi ITANO +9 more 2024-03-05
11912922 Refrigerant cycle apparatus Shinichi FUJINAKA, Masaru Tanaka, Shun OHKUBO, Mitsushi ITANO, Yuuki YOTSUMOTO +7 more 2024-02-27
11840658 Composition containing refrigerant, and refrigeration method using said composition, operating method for refrigeration device, and refrigeration device Shun OHKUBO, Mitsushi ITANO, Yuuki YOTSUMOTO, Akihito MIZUNO, Tomoyuki GOTOU 2023-12-12
11834602 Refrigerant-containing composition, and refrigerating method, refrigerating device operating method, and refrigerating device using said composition Shun OHKUBO, Mitsushi ITANO, Yuuki YOTSUMOTO, Akihito MIZUNO, Tomoyuki GOTOU 2023-12-05
11834601 Composition containing refrigerant, refrigeration method using said composition, method for operating refrigeration device, and refrigeration device Shun OHKUBO, Mitsushi ITANO, Yuuki YOTSUMOTO, Akihito MIZUNO, Tomoyuki GOTOU 2023-12-05
11525076 Composition containing refrigerant, and refrigeration method using said composition, operating method for refrigeration device, and refrigeration device Shun OHKUBO, Mitsushi ITANO, Yuuki YOTSUMOTO, Akihito MIZUNO, Tomoyuki GOTOU 2022-12-13
10988652 Method for using a mixture of fluorinated hydrocarbons as a refrigerant, and a refrigeration unit using the mixture as a refrigerant Mitsushi ITANO, Tatsumi Tsuchiya, Hitomi KUROKI 2021-04-27
10968378 Haloolefin-based composition Kazuhiro Takahashi, Tatsumi Tsuchiya 2021-04-06
10913881 Method of stabilization of a haloolefin-based composition Kazuhiro Takahashi, Tatsumi Tsuchiya 2021-02-09
10858563 Method for transfer-filling refrigerant composition Tatsumi Tsuchiya, Mitsushi ITANO, Hitomi KUROKI 2020-12-08
10800958 Composition containing mixture of fluorinated hydrocarbons, and use thereof Mitsushi ITANO, Tatsumi Tsuchiya, Hitomi KUROKI 2020-10-13
10731065 Haloolefin-based composition and use thereof Kazuhiro Takahashi, Tatsumi Tsuchiya 2020-08-04
10669464 Haloolefin-based composition Kazuhiro Takahashi, Tatsumi Tsuchiya 2020-06-02
10619082 Refrigerant composition comprising difluoromethane (HFC32) and 2,3,3,3-tetrafluoropropene (HFO1234yf) Takashi Shibanuma 2020-04-14
10294400 Composition including difluoromethane (HFC-32), pentafluoroethane (HFC-125), and 1,1,1,2-tetrafluoroethane (HFC-134A) Tatsumi Tsuchiya, Takashi Shibanuma, Hitomi KUROKI 2019-05-21
10253231 Azeotrope to azeotrope-like composition containing 1-chloro-3,3,3-trifluoropropene and 1,1,1,3,3-pentafluoropropane Tatsumi Tsuchiya, Takashi Shibanuma, Hitomi KUROKI 2019-04-09
10072193 Filling method using mixed refrigerant including trans-1, 3, 3, 3-tetrafluoropropene Hitomi KUROKI, Tatsumi Tsuchiya 2018-09-11
10005940 Composition containing mixture of fluorinated hydrocarbons, and method for producing same Mitsushi ITANO, Hitomi KUROKI, Tatsumi Tsuchiya 2018-06-26
9758709 Refrigerant composition comprising difluoromethane (HFC32) and 2,3,3,3-tetrafluoropropene (HFO1234yf) Takashi Shibanuma 2017-09-12
9528735 Method for filling mixed refrigerant containing 2,3,3,3-tetrafluoropropene Hitomi KUROKI, Tatsumi Tsuchiya, Takashi Shibanuma 2016-12-27
9303198 Hydrofluoropropene refrigerant composition comprising phthalates Tatsumi Tsuchiya, Takashi Shibanuma, Hitomi KUROKI 2016-04-05
8496845 Refrigerant composition comprising difluoromethane (HFC32), pentafluoroethane (HFC125) and 2, 3, 3, 3-tetrafluoropropene (HFO1234yf) Tatsumi Tsuchiya, Katsuki Fujiwara, Masahiro Noguchi 2013-07-30
6407296 Process for producing difluoromethane Takashi Shibanuma, Takehide Tsuda 2002-06-18