Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9825344 | Heat generating element housing device | Takafumi Nakahama | 2017-11-21 |
| 8247099 | Gas exhaust structure of battery | Takafumi Nakahama, Takeo Kakuchi, Nobumitsu Tada, Taihei Koyama, Norihito Togashi +2 more | 2012-08-21 |
| 7420890 | Objective lens actuator and optical disk apparatus | — | 2008-09-02 |