Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44008 | Surface light source device and liquid crystal display device | Tatsuo Sugahara, Takafumi Hara, Tatsuya Kudari | 2013-02-19 |
| 7295258 | Display device and liquid crystal display device having a back frame configuration that increases torsional strength | Tatsuo Sugahara, Takafumi Hara, Tatsuya Kudari | 2007-11-13 |
| 7178968 | Surface light source device and liquid crystal display device | Tatsuo Sugahara, Takafumi Hara, Tatsuya Kudari | 2007-02-20 |
| 5208104 | High-tenacity water-soluble polyvinyl alcohol fiber and process for producing the same | Hiroyoshi Tanaka, Masahiko Hayashi | 1993-05-04 |
| 4698194 | Process for producing ultra-high-tenacity polyvinyl alcohol fiber | Hiroyoshi Tanaka, Mitsuo Suzuki | 1987-10-06 |
| 4603083 | Ultra-high-tenacity polyvinyl alcohol fiber and process for producing same | Hiroyoshi Tanaka, Mitsuo Suzuki | 1986-07-29 |