Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D988139 | Vacuum bottle | Masahiro Watanabe | 2023-06-06 |
| D977915 | Vacuum bottle | Masahiro Watanabe | 2023-02-14 |
| 10717369 | Charge control apparatus and method for electric vehicle | Shinya Fujiwara, Norihiko Hatsumi, Koichi TANO | 2020-07-21 |
| 8061313 | Variable valve device for engine | Toshihiko Takahashi | 2011-11-22 |
| 8033256 | Engine having variable valve mechanism | Toshihiko Takahashi | 2011-10-11 |