Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475183 | Process for producing lower olefins | Shintaro Araki, Toshiyuki Isaka | 1995-12-12 |
| 5356561 | Carboxylate compounds, liquid crystal compositions and liquid crystal elements containing said compounds and method of optical modulation using said elements | Toyoji Shimizu, Shinichi Nishiyama, Nobuyuki Doi, Shoichi Miyakoshi, Tooru Yamanaka +1 more | 1994-10-18 |
| 5246622 | Liquid crystal racemic mixture, liquid crystal composition and liquid crystal element, process for manufacturing liquid crystal element, and uses of liquid crystal element | Toyoji Shimizu, Shinichi Nishiyama, Shoichi Miyakoshi, Tooru Yamanaka, Nobuyuki Doi +1 more | 1993-09-21 |
| 5003113 | Process of producing isopropylnaphthols | Michio Tanaka, Masayasu Ishibashi | 1991-03-26 |
| 4978789 | Process for production of alkenyl substituted aromatic compound | Shigeki Fujikawa, Yoshito Kurano | 1990-12-18 |
| 4902837 | Process for preparing Biphenols | Michio Tanaka, Yoshito Kurano | 1990-02-20 |
| 4900861 | Method of producing polysilane compounds | Keiichi Yokoyama, Yoshihisa Kiso | 1990-02-13 |
| 4891465 | Process for producting alkyl group-substituted aromatic hydrocarbons | Michio Tanaka, Kazunori Takahata, Naoya Sakamoto, Toshihiro Takai, Yoshito Kurano +1 more | 1990-01-02 |
| 4891453 | Process for producing p,p'-biphenol | Michio Tanaka, Yoshito Kurano, Masayasu Ishibashi | 1990-01-02 |
| 4675307 | Alkali metal-supported catalyst | Tadaaki Fujimoto, Kenji Saeki | 1987-06-23 |
| 4582944 | Process for producing hydroxydiphenyl ethers | Hideo Nakamura, Terunori Fujita | 1986-04-15 |
| 4351958 | Process for producing orthoalkylated aromatic amine | Kazunori Takahata | 1982-09-28 |
| 4349419 | Process for separation of alkyl phenols by azeotropic distillation | Kazunori Takahata, Tadaaki Fujimoto | 1982-09-14 |
| 4329517 | Process for production of mono- or di-ortho-methyl-substituted phenols by catalytic methylation and catalyst therefor | Kazunori Takahata, Yoshiaki An-Nen | 1982-05-11 |