Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7018714 | Near-infrared absorption film | Taichi Kobayashi, Masayuki Matsuzaki, Yasuhiro Morimura | 2006-03-28 |
| 6469440 | Electromagnetic-wave shielding and light transmitting plate and panel laminated plate | Shinji Saito, Shingo Ono, Masato Yoshikawa | 2002-10-22 |
| 6429587 | Electromagnetic-wave shielding and light transmitting plate and display device | Taichi Kobayashi | 2002-08-06 |
| 6278827 | Light transmission tubes | Hideo Sugiyama, Minoru Ishiharada, Yasuhiro Morimura, Tatsuo Terahama, Hiroshi Fukuyama +1 more | 2001-08-21 |
| 5982969 | Optical transmission tube, making method, and linear illuminant system | Hideo Sugiyama, Minoru Ishiharada, Yasuhiro Morimura, Tatsuo Terahama, Hiroshi Fukuyama +1 more | 1999-11-09 |
| 5737471 | Optical waveguide tube | Hideo Sugiyama, Atsushi Hotta, Minoru Ishiharada, Itsuo Tanuma, Torao Hashimoto | 1998-04-07 |
| 5684913 | Optical waveguide tube and method of making | Hideo Sugiyama, 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, Hideo Sugiyama | 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, Hideo Sugiyama | 1996-09-17 |