Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7775028 | Annular metal cord and endless metal belt | Hitoshi Wakahara, Yuichi Sano, Kenichi Okamoto, Koji Kato, Masaki Saito | 2010-08-17 |
| 7735307 | Annular concentric-lay bead cord | Hitoshi Wakahara, Kenichi Okamoto | 2010-06-15 |
| 7314518 | Furnace for growing compound semiconductor single crystal and method of growing the same by using the furnace | Michinori Wachi, Shunsuke Yamamoto | 2008-01-01 |
| 6878202 | Method for growing single crystal of compound semiconductor and substrate cut out therefrom | Masaya Ohnishi, Kenya Itani, Seiji Mizuniwa, Inao Fujisaki | 2005-04-12 |
| 5254836 | Method of arc welding with a ferrite stainless steel welding rod | Yuuji Okada, Toshihiko Kobayashi, Yoshimitsu Aoki, Makoto Nishizawa, Shunji Endo | 1993-10-19 |