Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983108 | Optical switching apparatus and optical transmission apparatus | Mitsuru Sugawara, Takashi Yano, Kyosuke Dobashi, Katsumi Kusama, Sadao Tanikoshi +3 more | 2006-01-03 |
| 6964142 | Building material formed from recycled resources and installation method thereof | — | 2005-11-15 |
| 4483679 | Compounded thermoplasticized isoprene polymer resin for filling a dental root canal, and method of making same | Mutsuo Fujisawa, Haruhiro Ohtsu, Tsutomu Kameda | 1984-11-20 |