Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291135 | Electromagnetic fuel injection valve | Tohru Ishikawa, Motoyuki Abe | 2016-03-22 |
| 6295150 | Wavelength division multiplexing device | Toshihiko Takano, Norio Takeda, Kuniaki Jinnai | 2001-09-25 |
| 5923800 | Optical waveguide module having main-line waveguide and branch waveguides, and optical transmission device including such optical waveguide module | Toshihiko Takano, Michio Ohba, Yasunari Kawabata, Hamaho Hashimoto, Kuniaki Jinnai | 1999-07-13 |
| 5916402 | Method for manufacturing optical element | Toshihiko Takano, Michio Ohba, Yasunari Kawabata | 1999-06-29 |
| 5570442 | Design and manufacture of an optimized waveguide-type multiple branched star coupler | Mitsuzo Arii, Kuniaki Jinnai, Yasunari Kawabata | 1996-10-29 |
| 5091986 | Optical divider for multimode optical fiber systems | Mitsuzo Arii, Norio Takeda, Shigeo Kataoka, Osamu Kondoh, Kuniaki Jinnai +1 more | 1992-02-25 |