Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954264 | Optical pulse testing device | Tetsuya Araki, Makoto Kuratsu | 2005-10-11 |
| 6839130 | Optical fiber measuring apparatus | Tetsuya Araki | 2005-01-04 |
| 6771361 | Optical pulse testing device | Tetsuya Araki, Makoto Kuratsu | 2004-08-03 |
| 6144854 | Satellite communication system and center station | Noboru Matsubara, Kouichi Yamakawa | 2000-11-07 |
| 5058804 | Automatic hot water supply apparatus | Hiroaki Yonekubo, Risho Miyoshi, Munehiko Tokumoto, Takashi Iwasa | 1991-10-22 |