Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D410514 | Golf club head | Kunihiko Takahashi, Yutaka Oku | 1999-06-01 |
| D408485 | Golf club head | Kunihiko Takahashi, Kenji Sasaki | 1999-04-20 |
| 5376480 | Alkaline battery | Akihide Izumi, Mitsuo Murakoshi, Kiyohide Tsutsui, Katsuhiro Yamashita, Hidenori Tsuzuki +1 more | 1994-12-27 |
| 5348816 | Alkaline battery | Akihide Izumi, Kiyohide Tsutsui, Katsuhiro Yamashita, Hidenori Tsuzuki, Takashi Matsuo | 1994-09-20 |
| 4873149 | Vibration-damper metal sheets | Tomoyoshi Iwao, Tomoaki Isayama, Yuichi Higo | 1989-10-10 |
| 4360391 | Process for production of coil of hot rolled strip of austenitic stainless steel | Takamasa Yamamura, Seiji Mori, Koichi Asada, Yuichi Higo | 1982-11-23 |
| 4237203 | Rupturable safety sealing gasket of cell | Takashi Tsuchida, Kohei Yamamoto, Toshio Suzuki | 1980-12-02 |
| 4227701 | Rupturable sealing structure of cell | Takashi Tsuchida, Takao Takase | 1980-10-14 |