TS

Tohru SHIRAKAWA

FC Fuji Electric Co.: 26 patents #47 of 2,643Top 2%
KK Kirin Holdings Kabushiki Kaisha: 1 patents #30 of 88Top 35%
Overall (All Time): #140,582 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12431448 Semiconductor device Yasunori AGATA, Naoki Saegusa, Kaname MITSUZUKA 2025-09-30
12414342 Semiconductor device Yasunori AGATA 2025-09-09
12342607 Semiconductor device Kaname MITSUZUKA, Toru AJIKI, Yuichi Onozawa 2025-06-24
12206015 Semiconductor device 2025-01-21
D1056621 Cutlery 2025-01-07
12183789 Semiconductor device Daisuke Ozaki, Yasunori AGATA 2024-12-31
12165998 Semiconductor device Yasunori AGATA, Naoki Saegusa 2024-12-10
12015058 Semiconductor device Yoshiharu Kato, Toru AJIKI, Misaki Takahashi, Kaname MITSUZUKA, Takashi Yoshimura +3 more 2024-06-18
11715771 Semiconductor device and manufacturing method Yoshiharu Kato, Toru AJIKI, Misaki Takahashi, Kaname MITSUZUKA, Takashi Yoshimura +3 more 2023-08-01
11658179 Semiconductor device with insulated-gate bipolar transistor region and diode region 2023-05-23
11574999 Semiconductor device Yasunori AGATA, Kaname MITSUZUKA 2023-02-07
11532738 Semiconductor device Kouta Yokoyama, Toru AJIKI, Kaname MITSUZUKA 2022-12-20
11450762 Semiconductor device 2022-09-20
11335795 Reverse-conducting IGBT and manufacturing method thereof Kaname MITSUZUKA, Misaki Takahashi 2022-05-17
11264491 Semiconductor device for improving transistor characteristics during turn-on Daisuke Ozaki, Akinori Kanetake, Yosuke SAKURAI 2022-03-01
11195749 Semiconductor device and manufacturing method Yoshiharu Kato 2021-12-07
10777549 Semiconductor device 2020-09-15
10720519 Semiconductor device and manufacturing method of semiconductor device Hidenori Takahashi 2020-07-21
10600897 Semiconductor device Yoshiharu Kato 2020-03-24
10566448 Insulated gate bipolar transistor 2020-02-18
10516018 Super junction MOSFET device and semiconductor chip Tatsuya Naito, Shigemi Miyazawa 2019-12-24
10483357 Semiconductor device Mutsumi Kitamura 2019-11-19
10297682 Semiconductor device and manufacturing method of semiconductor device Hidenori Takahashi 2019-05-21
10186574 Super junction MOSFET device and semiconductor chip Tatsuya Naito, Shigemi Miyazawa 2019-01-22
10128230 Semiconductor device Hiroyuki Tanaka 2018-11-13