Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D688730 | Piano | Toshihide Suzuki | 2013-08-27 |
| 8502059 | Musical instrument having controller exactly discriminating half-pedal and controlling system used therein | Tsutomu Sasaki | 2013-08-06 |
| 6399688 | Coating composition and coating method | — | 2002-06-04 |
| 5496498 | Compensator for liquid crystal display | Takehiro Toyooka, Hiroyuki Itoh | 1996-03-05 |
| 5472635 | Phase plate and liquid crystal display using same | Takehiro Toyooka, Hiroyuki Itoh, Yasuyuki Takiguchi, Akihiko Kanemoto, Haruo Iimura | 1995-12-05 |
| 5326496 | Compensator for liquid crystal display | Takehiro Toyooka, Yasuyuki Takiguchi, Takamichi Enomoto | 1994-07-05 |
| 5260109 | Method for polarizing light | Takehiro Toyooka, Yasuyuki Takiguchi, Takamichi Enomoto | 1993-11-09 |
| 5250214 | Liquid crystal color display device provided with a color filter film and an optical phase plate comprising liquid crystal polymer | Akihiko Kanemoto, Haruo Iimura, Yasuyuki Takiguchi, Takehiro Toyooka, Hiroyuki Ito | 1993-10-05 |
| 5206752 | Optical rotator formed of a twisted nematic liquid crystal polyster including an ortho-substituted aromatic unit | Hiroyuki Itoh, Takehiro Toyooka | 1993-04-27 |
| 5193020 | Method for producing compensator for liquid crystal display | Iwane Shiozaki, Takehiro Toyooka | 1993-03-09 |
| 5147682 | Method for orienting a liquid crystal polymer | Yasuyuki Takiguchi, Takehiro Toyooka | 1992-09-15 |
| 5132147 | Method for orienting a liquid crystalline polymer | Yasuyuki Takiguchi, Takehiro Toyooka | 1992-07-21 |
| 5110698 | Method of recording | Hajime Hara, Shingo Orii, Tetsuo Satoh, Tomohiro Toya | 1992-05-05 |
| 5097016 | Nonlinear optical materials of polypeptides | Takafumi Ishii, Takehiro Toyooka, Tomohiro Toya, Itoh Hiroyuki, Hajime Hara +1 more | 1992-03-17 |
| 5064697 | Substrate with a liquid crystal polymeric thin film and method for manufacturing the same | Yasuyuki Takiguchi, Akihiko Kanemoto, Takehiro Toyooka | 1991-11-12 |
| 4999416 | Wholly aromatic polyesters | Tadahiro Kaminade, Tomohiro Toya, Hajime Hara | 1991-03-12 |
| 4933243 | Recording medium | Hajime Hara, Shingo Orii, Tetsuo Satoh, Tomohiro Toya | 1990-06-12 |
| 4891418 | Cholesteric liquid crystal polyester | Hajime Hara, Tomohiro Toya, Tetsuo Satoh | 1990-01-02 |
| 4746722 | Cholesteric liquid crystal polyesters | Yoshihiro Kobori, Hajime Hara, Tomohiro Toya, Tetsuo Satoh | 1988-05-24 |
| 4738811 | Process for producing cholesteric liquid crystal polyester film or sheet possessing ordered planar texture | Hajime Hara, Shingo Orii, Tetsuo Satoh, Tomohiro Toya | 1988-04-19 |
| 4734483 | Cholesteric liquid crystal polyester from hydroquinone, cyclohexane dicarboxylic acid and 3-methyl adipic acid | Tomohiro Toya, Tetsuo Satoh, Hajime Hara, Shingo Orii | 1988-03-29 |
| 4698397 | Cholesteric liquid crystal copolyesters | Tomohiro Toya, Hajime Hara, Tetsuo Satoh | 1987-10-06 |
| 4652626 | High modulus cholesteric liquid crystal polyesters | Shingo Orii, Hajime Hara, Tetsuo Satoh, Tomohiro Toya | 1987-03-24 |