Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104953 | Hard transparent resins and process for the production thereof | Yoshinobu Kanemura, Masao Imai, Toshiyuki Suzuki | 1992-04-14 |
| 5091496 | Polyisocyanatoalkylphenyl-isocyanurates, method for the preparation thereof and use thereof | Ryuji Haseyama, Kazuyuki Kuroda, Kouzou Hayashi, Taisaku Kano, Kiyoshi Shikai | 1992-02-25 |
| 5087758 | Mercapto compound, a high refractive index resin and lens and a process for preparing them | Yoshinobu Kanemura, Masao Imai, Toshiyuki Suzuki | 1992-02-11 |
| 5084538 | High surface hardness transparent resin prepared from a compound having at least one isopropenyl phenyl group | Toshiyuki Suzuki, Masao Imai, Yoshinobu Kanemura | 1992-01-28 |
| 5059673 | Resin for urethane lenses, lenses comprising the resin, and a process for preparation of the resin and the lenses | Yoshinobu Kanemura, Masao Imai, Toshiyuki Suzuki | 1991-10-22 |
| 5021503 | Resin for plastic lens having high-refractive index, lens comprising the resin, and method for preparation of the lens | Teruyuki Nagata, Koju Okazaki, Nobuyuki Kajimoto, Tohru Miura, Yoshinobu Kanemura | 1991-06-04 |
| 5013496 | Process for molding a highly-refractive plastic lens | Teruyuki Nagata, Koju Okazaki, Nobuyuki Kajimoto, Tohru Miura, Yoshinobu Kanemura | 1991-05-07 |
| 4980497 | Monomer of carbonate ester having isopropenylphenyl group | Yoshinobu Kanemura, Masao Imai, Toshiyuki Suzuki | 1990-12-25 |
| 4946923 | S-alkyl thiocarbamate base resin, plastic lens comprising the resin, and process for making the lens | Teruyuki Nagata, Koju Okazaki, Nobuyuki Kajimoto, Tohru Miura, Yoshinobu Kanemura | 1990-08-07 |
| 4929707 | Polyurethane base lens resin, plastic lens comprising the resin and preparation method of the lens | Teruyuki Nagata, Koju Okazaki, Nobuyuki Kajimoto, Tohru Miura, Yoshinobu Kanemura | 1990-05-29 |
| 4791185 | High-refractivity plastic lens resin formed from a polyisocyanate and a polythiol | Yoshinobu Kanemura, Masao Imai, Teruyuki Nagata, Nobuyuki Kajimoto | 1988-12-13 |
| 4775733 | High-refractivity plastic lens resin formed by reacting at least one polyisocyanate with at least one polythiol | Yoshinobu Kanemura, Masao Imai, Nobuyuki Kajimoto, Teruyuki Nagata | 1988-10-04 |
| 4707430 | Optical recording medium | Hiroshi Ozawa, Yoichi Hosono, Sumio Hirose, Masao Imai | 1987-11-17 |
| 4707425 | Optical recording method and media therefor | Kunio Nishihara, Hiroshi Ozawa, Masao Imai | 1987-11-17 |
| 4632969 | Resin for high-refractivity lenses | Masao Imai, Kimio Kanno | 1986-12-30 |
| 4542201 | Resin for high-refractivity lenses and lenses made of same resin | Yoshinobu Kanemura, Masao Imai | 1985-09-17 |
| 4529684 | Composition suitable for use in the production of laser beam recording/reading means | Eiichi Noda, Masao Imai | 1985-07-16 |
| 4522993 | Resin for high-refractivity lenses and lenses made of same resin | Akio Hyugaji, Masao Imai | 1985-06-11 |
| 4508655 | Metal complexes of halogen-substituted o-benzenedithiols | Masao Imai | 1985-04-02 |
| 4481131 | Electroconductive resin composition | Yoichi Kawai, Yoshihisa Gotoh, Masami Maki, Sachio Yokote, Katsumi Sekiguchi +1 more | 1984-11-06 |
| 4314039 | Polypropylene composition containing a 1.3,2.4-di(alkylbenzylidene) sorbitol | Yoichi Kawai, Masami Maki, Hozumi Ueda, Masayoshi Miyamoto | 1982-02-02 |