Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177192 | Polyethylene naphthalate fiber | Makoto Asano, Toshimasa Kuroda, Ryoji Tsukamoto | 2001-01-23 |
| 5688596 | Aromatic polyamide filament having an enhanced weathering resistance | Osamu Makino, Toshitsugu Matsuki | 1997-11-18 |
| 5654096 | Electroconductive conjugate fiber | Hironori Yamada, Kimihiro Ogawa, Seiji Itoh | 1997-08-05 |
| 5532412 | Ultraviolet ray-absorbing aromatic compound and polymeric composition containing the same | Toshitsugu Matsuki | 1996-07-02 |
| 5312851 | Wholly aromatic polyamide resin composition having enhanced light resistance | Toshitsugu Matsuki, Tsutomu Kiriyama | 1994-05-17 |
| 5274071 | Wholly aromatic polyamide | Tsutomu Kiriyama | 1993-12-28 |
| 5177175 | Fiber of wholly aromatic copolyamide from 2,6-naphthalene dicarboxylic acid and 3,4'-diaminodiphenylether | Tsutomu Kiriyama | 1993-01-05 |
| 5006629 | Wholly aromatic polyamide copolymer | Tsutomu Kiriyama | 1991-04-09 |
| 4729927 | Polyester packaging material | Masahiko Hirose, Takatoshi Kuratsuji | 1988-03-08 |