TI

Tomotaka Ishikawa

TO Toyota: 35 patents #404 of 26,838Top 2%
Mitsubishi Electric: 14 patents #1,823 of 25,717Top 8%
NC Nihon Plast Co.: 4 patents #36 of 253Top 15%
AG Agc: 1 patents #509 of 954Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
📍 Shizuoka, CA: #6 of 23 inventorsTop 30%
Overall (All Time): #47,256 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
11962048 Fuel cell system with improved low temperature operation Ryouichi Namba, Masahiro Ito, Manabu Takahashi 2024-04-16
11664508 Fuel cell system and method of controlling fuel cell system Satoshi Watanabe, Kazushi Akamatsu 2023-05-30
11656015 Refrigeration cycle apparatus and refrigeration apparatus Hiroshi Sata 2023-05-23
11621430 Fuel cell system Tomio YAMANAKA, Shinji Asou, Tsuyoshi Maruo 2023-04-04
11611093 Fuel cell system Mahiro Ozeki, Yusuke Nishida 2023-03-21
11532828 Fuel cell system Satoshi Watanabe, Kazushi Akamatsu 2022-12-20
11508976 Fuel cell system Tomio YAMANAKA, Tomohiro Ogawa, Ryosuke OYA, Junichi Matsuo 2022-11-22
11476475 Fuel cell system and control method therefor Satoshi Watanabe, Kazushi Akamatsu 2022-10-18
11424463 Fuel cell system and control method thereof Ryouichi Namba, Masahiro Ito, Hiroyuki Tsunekawa 2022-08-23
11387475 Fuel cell system Masashi Toida, Yusuke Nishida 2022-07-12
11367885 Fuel cell system Yusuke Nishida, Masashi Toida 2022-06-21
11296334 Fuel cell system Keita Yamaue, Shigeki Hasegawa, Hiroyuki Imanishi 2022-04-05
11258084 Fuel cell system and opening/closing method for discharge valve Yusuke Nishida 2022-02-22
11171349 Fuel cell vehicle and control method of fuel cell vehicle Tomohiro Ogawa, Shinji Asou, Tomio YAMANAKA, Junichi Matsuo, Ryosuke OYA 2021-11-09
11139494 Fuel cell system and method of controlling the same Ryoichi Namba, Yoshikatsu FUJIMURA 2021-10-05
11011762 Fuel cell system Keita Yamaue, Hiroyuki Imanishi 2021-05-18
10957924 Fuel cell system and method for controlling the fuel cell system Junichi Matsuo, Tomohiro Ogawa, Tomio YAMANAKA 2021-03-23
10930953 Fuel cell system and method of controlling fuel cell system Atsuo Iio, Naoki Tomi, Yusuke Miyamoto, Masafumi YAMAGATA 2021-02-23
10868316 Fuel cell system and method of controlling the same Tomohiro Ogawa, Tomio YAMANAKA, Ryoichi Nanba, Kenji Umayahara 2020-12-15
10845108 Refrigeration device and controller for refrigeration device Ryo TSUKIYAMA, Yusuke Arii 2020-11-24
10756364 Fuel cell system and control method of fuel cell system Yusuke Miyamoto, Atsuo Iio 2020-08-25
10714772 Fuel cell system with improved leak detection Tomoyuki Nishida, Keitaro YAMAMORI 2020-07-14
10693160 Fuel cell system and method of controlling the same Ryoichi Namba 2020-06-23
10601059 Fuel cell system having improved timing control and vehicle utilizing the same Tomio YAMANAKA 2020-03-24
10431834 Fuel cell system with improved valve control Tomio YAMANAKA 2019-10-01