Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308305 | Power semiconductor device | Daisuke Oya, Yukimasa Hayashida | 2025-05-20 |
| 12051671 | Pressure-contact-type semiconductor device | Jun Okada, Kazunori Taguchi | 2024-07-30 |
| 11972991 | Semiconductor device | Hiroki Shiota, Kunihiko Tajiri, Jun Okada, Hiroumi Yamada, Kazutake KADOWAKI | 2024-04-30 |
| 11569141 | Semiconductor device including a groove within a resin insulating part positioned between and covering parts of a first electrode and a second electrode | Daisuke Oya, Yukimasa Hayashida | 2023-01-31 |
| 10536090 | Bus bar structure and power conversion device using same | Tetsuya Matsuda, Shigeto Fujita | 2020-01-14 |
| 10418347 | Power semiconductor device and power semiconductor core module | Yoshiko Tamada, Yoshihiro Yamaguchi, Seiji Oka | 2019-09-17 |
| 10186607 | Power semiconductor device including a semiconductor switching element | Kenji Hatori, Shuichi Kitamura | 2019-01-22 |
| 4438931 | Golf club head | — | 1984-03-27 |