Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468401 | Formation of metal compound thin film and preparation of rubber composite material | Masato Yoshikawa, EngKean Sim, Yukihiro Kusano, Kazuo Naito | 2002-10-22 |
| 6278827 | Light transmission tubes | Masato Sugimachi, Minoru Ishiharada, Yasuhiro Morimura, Tatsuo Terahama, Hiroshi Fukuyama +1 more | 2001-08-21 |
| 6169836 | Optical transmission tube and method for making the same | Minoru Ishiharada, Tatsuo Terahama, Yasuhiro Morimura, Itsuo Tanuma | 2001-01-02 |
| 6104857 | Line glower | Minoru Ishiharada, Tatsuo Terahama | 2000-08-15 |
| 5982969 | Optical transmission tube, making method, and linear illuminant system | Masato Sugimachi, Minoru Ishiharada, Yasuhiro Morimura, Tatsuo Terahama, Hiroshi Fukuyama +1 more | 1999-11-09 |
| 5737471 | Optical waveguide tube | Masato Sugimachi, Atsushi Hotta, Minoru Ishiharada, Itsuo Tanuma, Torao Hashimoto | 1998-04-07 |
| 5692088 | Optical waveguide tube | Minoru Ishiharada, Itsuo Tanuma | 1997-11-25 |
| 5684913 | Optical waveguide tube and method of making | Masato Sugimachi, Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito +1 more | 1997-11-04 |
| 5681611 | Light guide and method for making | Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito, Masato Sugimachi | 1997-10-28 |
| 5557702 | Light guide comprising a methacrylic or acrylic acid resin core and a fluorocarbon resin clad | Masato Yoshikawa, Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito, Masato Sugimachi | 1996-09-17 |
| 5271977 | Low permeable rubber hose | Masato Yoshikawa, Hideyuki Niwa, Yukio Fukuura, Kazuo Naito | 1993-12-21 |