Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890481 | Method for production of carbon fiber bundle | Mitsuhiro Hamada, Hiroyuki Nakao, Hiromi Aso | 2018-02-13 |
| 6428891 | Acrylonitrile-based precursor fiber for carbon fiber and method for production thereof | Takahiro OKUYA, Mitsuo Hamada, Takeaki Amakawa | 2002-08-06 |
| 5480580 | Optically active compound having a .delta.-valerolactone ring and liquid crystal composition containing same | Keiichi Sakashita, Tetsuya Ikemoto | 1996-01-02 |
| 5164113 | Optical active compound and liquid crystal composition | Tetsuya Ikemoto, Keiichi Sakashita, Seiji Hayashi, Yoshihiro Sako, Kenji Mori +1 more | 1992-11-17 |
| 5124069 | Optically active substance and liquid crystal composition comprising same | Jun Nakauchi, Keiichi Sakashita, Seiji Hayashi, Yoshihiro Sako, Tetsuya Ikemoto | 1992-06-23 |
| 5098599 | Optically active compound and liquid crystal composition | Seiji Hayashi, Jun Nakauchi, Keiichi Sakashita, Yoshihiko Sako | 1992-03-24 |
| 5045228 | Optically active compound having XI-valerolactone ring and liquid crystal composition comprising same | Jun Nakauchi, Mioko Uematsu, Keiichi Sakashita, Kenji Mori | 1991-09-03 |
| 4925591 | Mesomorphic compound having .beta.-hydroxycarboxyl group as chiral source and liquid crystal composition | Jun Nakauchi, Mioko Uematsu, Keiichi Sakashita, Seiji Hayashi, Kenji Mori | 1990-05-15 |
| 4751018 | Alpha-methylcinnamic acid ester derivative and liquid crystal composition | Jun Nakauchi, Mioko Uematsu, Yoshihiro Sako, Shunsuke Minami | 1988-06-14 |
| 4642736 | Light diffuser | Tokihiko Masuzawa, Norizou Tomita | 1987-02-10 |