Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12322605 | Semiconductor device and method of manufacturing semiconductor device | Yuji Sato, Kazuyuki Sugahara | 2025-06-03 |
| 11830795 | Semiconductor device, power conversion device, and method for manufacturing semiconductor device | Yuji Sato, Yoshinori Yokoyama, Jun Fujita | 2023-11-28 |
| 11195803 | Semiconductor element, semiconductor device, power conversion device, and method of manufacturing semiconductor element | Jun Fujita, Yuji Sato | 2021-12-07 |
| 11158511 | Semiconductor device and power converter including a copper film with a small grain size stress relaxtion layer | Kazuyuki Sugahara, Hiroaki OKABE | 2021-10-26 |
| 10707146 | Semiconductor device and method for manufacturing same, for releaved stress and high heat conductivity | Yoshiyuki Suehiro, Kazuyuki Sugahara, Yosuke Nakanishi, Yoshinori Yokoyama, Shinnosuke Soda +1 more | 2020-07-07 |
| 10697078 | Method of forming Cu plating, method of manufacturing Cu-plated substrate, and Cu-plated substrate | Yuji Sato, Jun Fujita, Kazuyo Endo | 2020-06-30 |
| 10529587 | Semiconductor device and method of manufacturing semiconductor device | Yuji Sato, Jun Fujita | 2020-01-07 |
| 10276502 | Semiconductor device and method for manufacturing same | Hiroaki OKABE, Kazuyuki Sugahara | 2019-04-30 |
| 9842738 | Method for manufacturing silicon carbide semiconductor device and silicon carbide semiconductor device | Yosuke Nakanishi, Hiroaki OKABE, Kazuyuki Sugahara, Takaaki TOMINAGA | 2017-12-12 |
| 9721915 | Semiconductor device | Kazuyo Endo, Jun Fujita, Hiroaki OKABE, Kazuyuki Sugahara | 2017-08-01 |