Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8170385 | Light coupler and manufacturing method thereof | Kazuhiro Terada, Yukitoshi Inui, Akiko Okita, Masaaki Tsuchimori, Akari Nakao | 2012-05-01 |
| 7899287 | Optical branching-coupling device, and manufacturing method and optical module of the same | Yukitoshi Inui, Kazuhiro Terada, Akiko Okita, Masaaki Tsuchimori, Akari Nakao | 2011-03-01 |
| 7503665 | Polygon mirror and polygon mirror device | Kazuya Hirose, Fumito Orii, Isao Tsubouchi, Toru Takahashi, Katsuaki Yakata | 2009-03-17 |
| 7399094 | Polygon mirror and polygon mirror molding die | Kazuya Hirose, Isao Tsubouchi, Toru Takahashi, Katsuaki Yakata, Fumito Orii | 2008-07-15 |
| 5540083 | Leakage measuring apparatus | Takao Sato | 1996-07-30 |
| 5249947 | Injection molding machine having an automatic mold changer | Yoshiharu Inaba, Susumu Ito, Takayuki Taira, Kikuo Watanabe, Akira Kouketsu +5 more | 1993-10-05 |