Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1059289 | Water addition plug for storage battery | Kazuki Sekiya, Takashi Akimoto | 2025-01-28 |
| 11557527 | Semiconductor device and method of manufacturing radiation fin | — | 2023-01-17 |
| D890097 | Vent plug for lead acid battery | Ryoji Abe | 2020-07-14 |
| D889407 | Lead acid battery | Ryoji Abe | 2020-07-07 |
| 7867794 | Surface-mount type optical semiconductor device and method for manufacturing the same | Mitsuyuki Kimura, Kaoru Yamashita, Tomoyuki Futakawa | 2011-01-11 |
| 7705465 | Surface-mount type optical semiconductor device and method for manufacturing the same | Mitsuyuki Kimura, Kaoru Yamashita, Tomoyuki Futakawa | 2010-04-27 |