Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528938 | Method and apparatus for measuring length of conduit and for diagnosing inside of conduit | Hiroaki Sano, Kinji Taguchi, Shigeru Tanaka, Takeshi Tsujimura | 1996-06-25 |
| 5505086 | Method and apparatus for measuring length of conduit and for diagnosing inside of conduit | Hiroaki Sano, Kinji Taguchi, Shigeru Tanaka, Takeshi Tsujimura | 1996-04-09 |
| 5136673 | Optical cable and its manufacturing method | Nobuyuki Yoshizawa, Tsuneo Horiguchi, Koushi Ishihara, Toshio Kurashima, Hidenobu Tada | 1992-08-04 |