Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8387241 | Method of fabricating wiring board | Masaki Muramatsu, Kazunaga Higo, Hironori Sato, Takuya TORII, Masao Izumi | 2013-03-05 |
| 7211219 | Oil-impregnant sintered bearing and manufacturing method thereof, and motor | Tsuneo Maruyama, Junichi Iguchi, Tooru Itoh, Takeshi Tanaka | 2007-05-01 |
| 6669371 | Oil-impregnated sintered bearing | Takeshi Tanaka, Tooru Ito | 2003-12-30 |
| 6599018 | Oil-impregnant sintered bearing and manufacturing method thereof, and motor | Tsuneo Maruyama, Junichi Iguchi, Tooru Itoh, Takeshi Tanaka | 2003-07-29 |
| 6369773 | Sheet antenna | Kenichi Kashiwagi, Yasukazu Nakata, Hiroshi Yamamoto | 2002-04-09 |
| 5237074 | Process for production of methyltetrahydrophthalic anhydride | Shoji Tani, Kiyoshi Iwahashi, Shigeki Hashimoto | 1993-08-17 |
| 5155231 | Process for preparation of 3,4,5,6- tetrahydrophthalimide | Shoji Tani | 1992-10-13 |
| 4273719 | Process for preparing 3,4,5,6-tetrahydrophthalic anhydrides or derivatives thereof | Shoji Tani | 1981-06-16 |