KH

Kohei Hasegawa

JS Jfe Steel: 22 patents #51 of 1,401Top 4%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
NC Nkk Co.: 6 patents #79 of 1,173Top 7%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
SC Shin-Etsu Chemical Co.: 2 patents #1,026 of 2,176Top 50%
SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
TA Thyssenkrupp Steel Ag: 1 patents #23 of 84Top 30%
DA Daishinku: 1 patents #36 of 68Top 55%
KC K.I Chemical Industry Co.: 1 patents #5 of 12Top 45%
MC Meisan Co.: 1 patents #3 of 5Top 60%
MC Mitsubishi Aluminum Co.: 1 patents #48 of 121Top 40%
Overall (All Time): #69,459 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
12306265 Diagnostic apparatus, diagnostic system and diagnostic method of electric power converter and non-transitory storage medium Toshimitsu Aizawa, Shinichi Kominato, Tsuyoshi Shinohara 2025-05-20
12126321 Piezoelectric vibrating device Manabu Ohnishi, Koji Nakamura, Takuya Kojo 2024-10-22
11435109 Ventilator Hajime Takashima 2022-09-06
10941471 High-strength steel sheet, high-strength galvanized steel sheet, method for manufacturing high-strength steel sheet, and method for manufacturing high-strength galvanized steel sheet Kenji Kawamura, Yoshihiko Ono, Nobusuke Kariya, Shinichi Furuya 2021-03-09
10590504 High-strength cold-rolled steel sheet and method for manufacturing the same Katsutoshi Takashima, Yoshimasa Funakawa 2020-03-17
10435762 High-yield-ratio high-strength cold-rolled steel sheet and method of producing the same Katsutoshi Takashima, Yoshihiko Ono 2019-10-08
10329636 High-strength cold-rolled steel sheet with excellent material homogeneity and production method therefor Katsutoshi Takashima 2019-06-25
10253389 High-yield-ratio, high-strength cold-rolled steel sheet and production method therefor Katsutoshi Takashima 2019-04-09
10196727 High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the same Shusaku Takagi 2019-02-05
10174396 High-strength cold-rolled steel sheet and method for manufacturing the same (as amended) Katsutoshi Takashima, Yuki Toji 2019-01-08
10156005 High-yield-ratio, high-strength cold rolled steel sheet and production method therefor Katsutoshi Takashima, Yoshihiko Ono 2018-12-18
10144996 High strength cold rolled steel sheet with low yield ratio and method of manufacturing the same Katsutoshi Takashima, Yuki Toji, Hideyuki Kimura 2018-12-04
10094587 Heat-exchange ventilation device Kohei Matsumoto, Masashi ASHINO, Fumio Saito 2018-10-09
10090753 Power conversion device and power conversion system Sari Maekawa, Takenori Yasuzumi, Atsuhiko Kuzumaki 2018-10-02
10084442 Semiconductor device Kentaro Ikeda, Takenori Yasuzumi 2018-09-25
10077486 High-strength cold-rolled steel sheet and method of manufacturing the same Katsutoshi Takashima, Yoshihiko Ono 2018-09-18
10000090 Pneumatic radial tire for passenger vehicle Isao Kuwayama 2018-06-19
9994941 High strength cold rolled steel sheet with high yield ratio and method for producing the same Katsutoshi Takashima, Yuki Toji 2018-06-12
9941874 Switching unit and power supply circuit Takenori Yasuzumi 2018-04-10
9923464 Switching device and power supply circuit Takenori Yasuzumi 2018-03-20
9920394 Bake-hardening galvanized steel sheet Koichiro Fujita, Yusuke Kimata, Kozo Harada 2018-03-20
9914988 High-strength cold-rolled steel sheet with high yield ratio having excellent formability and method for producing the same Katsutoshi Takashima, Yuki Toji 2018-03-13
9806706 Switching unit and power supply circuit Takenori Yasuzumi 2017-10-31
9574254 Hot-rolled steel sheet and method for producing same Katsutoshi Takashima, Yuki Toji, Shinya Yamaguchi 2017-02-21
9337174 Semiconductor device for suppressing inductance Takashi Yamamoto 2016-05-10