Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816646 | Light-sensitive detector and optical demultiplexer | Hisao Nagata | 2004-11-09 |
| 6766076 | Optical module and method for assembling the same | Naoko Hikichi, Yukinari Sekiguchi, Fumitoshi Kobayashi | 2004-07-20 |
| 6753064 | Multi-layered coated substrate and method of production thereof | Katsuhide Shimmo | 2004-06-22 |
| 6710330 | Light-receiving element array device and optical demultiplexer using the same | Takashi Tagami | 2004-03-23 |
| 6690002 | Photodetector array and optical communication monitor module using the same | Yasunao Kuroda, Takashi Tagami | 2004-02-10 |
| 6530554 | Molding die for use with a sol-gel composition | Katsuhide Shimmo, Isao Muraguchi | 2003-03-11 |
| 6373606 | Optical demultiplexer | — | 2002-04-16 |
| 6361718 | Article having uneven surface, production process for the article, and composition for the process | Katsuhide Shinmo | 2002-03-26 |
| 6360041 | Optical demultiplexer and method of assembling optical demultiplexer in optical axis alignment | Tadashi Koyama | 2002-03-19 |
| 6256436 | Optical wavelength demultiplexer | — | 2001-07-03 |
| 6239891 | Optical demultiplexer and method of assembling same | — | 2001-05-29 |
| 5982552 | Planar microlens array having high converging efficiency | Satoshi Taniguchi, Kenjiro Hamanaka, Hiroshi Hamada | 1999-11-09 |
| 5867321 | Planar microlens array and method of making same | Satoshi Taniguchi, Kenjiro Hamanaka, Hiroshi Hamada | 1999-02-02 |
| 5613767 | Illuminating apparatus | Kenjiro Hamanaka, Takashi Kishimoto, Koichi Nishizawa | 1997-03-25 |
| 5446639 | Illuminating apparatus | Kenjiro Hamanaka, Takashi Kishimoto, Koichi Nishizawa | 1995-08-29 |
| 5289551 | Wye-branching optical circuit | Shigeru Kobayashi | 1994-02-22 |
| 5160360 | Process for producing low-loss embedded waveguide | Masafumi Seki, Hideki Hashizume, Shigeru Kobayashi | 1992-11-03 |