KF

Kenichi Fujiwara

NC Nippondenso Co.: 32 patents #10 of 3,479Top 1%
KT Kabushiki Kaisha Toshiba: 12 patents #2,533 of 21,451Top 15%
DE Denso: 9 patents #1,418 of 11,792Top 15%
SI Sumitomo Rubber Industries: 8 patents #269 of 1,637Top 20%
IC Idemitsu Petrochemical Co.: 7 patents #36 of 578Top 7%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TI Tokyo Electric Power Company Holdings, Incorporated: 2 patents #90 of 711Top 15%
TS Toshiba Energy Systems & Solutions: 2 patents #150 of 569Top 30%
HC Hitachi Nuclear Engineering Co.: 1 patents #3 of 32Top 10%
TC Toshiba Carrier: 1 patents #69 of 163Top 45%
IN Inax: 1 patents #78 of 242Top 35%
HI Hitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
📍 Ota, JP: #14 of 330 inventorsTop 5%
Overall (All Time): #27,481 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 1–25 of 72 patents

Patent #TitleCo-InventorsDate
12214694 Information processing apparatus, method and system Takahiro Yamamoto, Kaoru Koiwa, Hisaaki Hatano, Kohei Maruchi, Koji Takazawa +3 more 2025-02-04
11921162 Information processing device, information processing method, non-transitory computer readable medium, and information processing system Hisaaki Hatano, Takahiro Yamamoto, Kohei Maruchi, Masatake Sakuma 2024-03-05
11592202 Control device and method for controlling air conditioner communicatively coupled to multiple user devices Tomoshi Otsuki, Miho SAKO 2023-02-28
11466885 Air-conditioning control device, air-conditioning system, and air-conditioning control method Satoko SUGISAKI 2022-10-11
11410059 Bias estimation apparatus and method and failure diagnosis apparatus and method Takuro MORIYAMA, Hideyuki Aisu, Hisaaki Hatano 2022-08-09
11300625 Evaluation device, evaluation method and evaluation system for energy storage device Takahiro Yamamoto, Hisaaki Hatano, Masatake Sakuma, Kaoru Koiwa, Yasuhiro Ogura +2 more 2022-04-12
11274848 Terminal device, storage medium and air conditioning system Tomoshi Otsuki, Miho SAKO, Takahiro Yamamoto, Eiichi Sunagawa, Shusaku Tsuge 2022-03-15
11221367 Evaluation device, energy storage system, evaluation method and non-transitory computer readable medium Takahiro Yamamoto, Hisaaki Hatano, Masatake Sakuma, Takenori Kobayashi, Tomohiro Toyosaki +1 more 2022-01-11
11099240 Device and method for evaluating energy storage device and evaluation system Hisaaki Hatano, Takahiro Yamamoto, Masatake Sakuma, Takenori Kobayashi, Yasuhiro Ogura +1 more 2021-08-24
10641512 Air-conditioning operation condition generation apparatus, air-conditioning operation condition generation method and air-conditioning system Tomoshi Otsuki, Mamiko Abe, Takahiro Yamamoto 2020-05-05
10627265 Sensor assignment apparatus and sensor diagnostic apparatus Hideyuki Aisu, Hisaaki Hatano 2020-04-21
10573941 Battery temperature management device Takahiro Yamamoto, Ryosuke Takeuchi, Masatake Sakuma, Tomohiro Toyosaki, Takenori Kobayashi 2020-02-25
10527329 Ejector-type refrigeration cycle device Hiroshi Oshitani, Haruyuki Nishijima, Etsuhisa Yamada, Tooru Ikemoto, Youhei Nagano 2020-01-07
9541316 Accumulator Yukihiko Takeda, Teruyuki Hotta 2017-01-10
8851394 Expansion valve and method of producing the same Makoto Ikegami 2014-10-07
6494051 Hot water supply system Hisayoshi Sakakibara, Shin Nishida, Masahiko Ito, Tomoaki Kobayakawa, Kazutoshi Kusakari +1 more 2002-12-17
6430951 Automotive airconditioner having condenser and evaporator provided within air duct Kunio Iritani, Shigeo Numazawa, Yasushi Yamanaka, Akira Isaji, Nobunao Suzuki 2002-08-13
6370896 Hot water supply system Hisayoshi Sakakibara, Shin Nishida, Masahiko Ito, Tomoaki Kobayakawa, Kazutoshi Kusakari +1 more 2002-04-16
6372324 Soft transparent polyethylene resin sheet and process for producing the same Atsushi Fujii, Tohru Yukumoto, Tomohiro Nagao 2002-04-16
6318427 Tire system for motorcycles including annular tire core with radially inner groove Takao Kuwahara 2001-11-20
6212900 Automotive air conditioner having condenser and evaporator provided within air duct Kunio Iritani, Shigeo Numazawa, Yasushi Yamanaka, Akira Isaji, Nobunao Suzuki 2001-04-10
6162320 Sealing of polyolefin-based resin and sealed article of the resin Tomohiro Nagao, Shunichi Nagashima 2000-12-19
6044653 Automotive air conditioner having condenser and evaporator provided within air duct Kunio Iritani, Shigeo Numazawa, Yasushi Yamanaka, Akira Isaji, Nobunao Suzuki 2000-04-04
RE36408 Refrigerating apparatus and modulator Yasushi Yamanaka, Takahisa Suzuki, Hiroki Matsuo, Shin Nishida 1999-11-30
5983652 Automotive air conditioner having condenser and evaporator provided within air duct Kunio Iritani, Shigeo Numazawa, Yasushi Yamanaka, Akira Isaji, Nobunao Suzuki +3 more 1999-11-16