Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561728 | Optical fiber splicer | Mikio Kobayashi, Takeo Seike, Shikou Kodama | 1996-10-01 |
| 4756596 | Optical unit for composite overhead ground wire | Takeshi Yamamoto, Mahito Ishikawa | 1988-07-12 |