Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6354747 | Optical module | Takeshi Irie, Ichiro Tonai, Toshio Mizue, Daisuke Takagi | 2002-03-12 |
| 5481632 | Optical waveguide module and method of manufacturing the same | Shigeru Hirai, Masahide Saito, Dai Yui, Tomoyuki Hattori, Hiroshi Suganuma | 1996-01-02 |
| 4675309 | Adsorbent for use in selective gas adsorption-separation and a process for producing the same | Hidefumi Hirai, Makoto Komiyama, Keiichiro Wada | 1987-06-23 |