Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8110603 | Organic peracid polymer composition and process for producing the same | Yasushi Hiramatsu | 2012-02-07 |
| 6091874 | Flexible optical waveguide device and process for the production thereof | Kensaku Higashi, Michio Ohba, Kuniaki Jinnai | 2000-07-18 |
| 6052500 | Optical waveguide device for connections without optical axis adjustment | Toshihiro Takano, Michio Ohba | 2000-04-18 |
| 5970191 | Optical signal distributors | Michio Oba, Mitsuzo Arii, Kuniaki Jinnai, Nobuhiko Tsuji, Takeshi Kobayashi | 1999-10-19 |
| 5923800 | Optical waveguide module having main-line waveguide and branch waveguides, and optical transmission device including such optical waveguide module | Toshihiko Takano, Michio Ohba, Hisashi Ohwada, Hamaho Hashimoto, Kuniaki Jinnai | 1999-07-13 |
| 5916402 | Method for manufacturing optical element | Toshihiko Takano, Michio Ohba, Hisashi Ohwada | 1999-06-29 |
| 5872883 | Curved optical waveguide and method of manufacturing the same | Michio Ohba, Kuniaki Jinnai | 1999-02-16 |
| 5838853 | Optical waveguide | Kuniaki Jinnai, Norio Takeda | 1998-11-17 |
| 5570442 | Design and manufacture of an optimized waveguide-type multiple branched star coupler | Mitsuzo Arii, Kuniaki Jinnai, Hisashi Ohwada | 1996-10-29 |
| 5343545 | Interconnectable multi-terminal star coupler | Takeshi Ota, Mitsuzo Arii, Masukazu Hirata | 1994-08-30 |
| 5058978 | Optical divider for multimode optical fiber systems | Osamu Kondoh, Mitsuzo Arii, Tohru Nakajima | 1991-10-22 |