Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11802797 | Inspection method, inspection apparatus, production method, and production system for heatsink | Yuta EGAWA | 2023-10-31 |
| 10596618 | Method for producing heat sink | Naoaki SUGIURA, Yuichi Furukawa, Mitsuhiro Kobayashi, Fumio Kawahara | 2020-03-24 |
| 10543526 | Method for removing burrs of sand core for casting | Naoya Era | 2020-01-28 |
| 9644255 | Surface treatment method for metal material and mold treated by surface treatment method | Yuichi Furukawa, Masahiro Okumiya, Yoshiki Tsunekawa, Nao Kumemoto, Fumio Kawahara | 2017-05-09 |
| 5840086 | Method for manufacturing packaged solid electrolytic capacitor | Nobutoshi Kodama | 1998-11-24 |
| 4945398 | Overcurrent preventive diode | Yoshio Kurita, Kenji Tanaka, Yuji Kosumi | 1990-07-31 |