Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10137536 | Sn-Cu-based lead-free solder alloy | Tsukasa Ohnishi, Shunsaku Yoshikawa, Rei Fujimaki | 2018-11-27 |
| 9844837 | Lead-free solder alloy | Masato Shimamura, Tsukasa Ohnishi, Mitsuhiro Kosai, Kazuyori Takagi, Tomoko Nonaka +4 more | 2017-12-19 |
| 9773721 | Lead-free solder alloy, connecting member and a method for its manufacture, and electronic part | Shunsaku Yoshikawa, Yoshie Yamanaka, Tsukasa Ohnishi, Koji Watanabe, Hiroki Ishikawa +1 more | 2017-09-26 |
| 8932519 | Solder alloy | Shunsaku Yoshikawa, Tsukasa Ohnishi | 2015-01-13 |