Issued Patents All Time
Showing 401–421 of 421 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973640 | Optical material composed of resin having high refractive index | Tatsuhito Matsuda, Yasuaki Funae, Tetsuya Yamamoto, Tsuguo Takaya | 1990-11-27 |
| 4960733 | Inorganic biomaterial and process for producing the same | Toshihiro Kasuga, Tomoko Uno, Kiichi Nakajima | 1990-10-02 |
| 4955476 | Fastener carrier for the support of screw members | Akio Nakata, Koshiro Nakajima | 1990-09-11 |
| 4956697 | Microwave monolithic integrated circuit with heat radiating electrode | Michihiro Kobiki, Takahide Ishikawa | 1990-09-11 |
| 4947373 | Dynamic ram | Yasunori Yamaguchi, Katsuyuki Sato, Jun Mitake, Hitoshi Kawaguchi, Terutaka Okada +4 more | 1990-08-07 |
| 4931521 | Optical materials composed of resin from thioacrylat esters | Tatsuhito Matsuda, Yasuaki Funae, Tsuguo Takaya | 1990-06-05 |
| 4810812 | Thiolcarboxylic acid esters | Tatsuhito Matsuda, Yasuaki Funae, Tsuguo Takaya | 1989-03-07 |
| 4780081 | Artificial dental root capable of being firmly fixed to a jawbone | Hiroaki Enomoto | 1988-10-25 |
| 4727516 | Semiconductor memory device having redundancy means | Kanji Oishi | 1988-02-23 |
| 4694888 | Electromagnetic levitation casting | Susumu Inumaru | 1987-09-22 |
| 4694098 | Colorless liquid crystalline compounds | Yoichi Hirai, Tsunenori Fujii, Kaoru Koto, Kenji Suzuki, Hisashi Okawa +6 more | 1987-09-15 |
| 4675786 | Flexible circuit board and method of making the same | Tsutomu Mizuko, Toshiyuki Tsukahara, Koji Nemoto | 1987-06-23 |
| 4656610 | Semiconductor memory device having redundancy means | Kanji Oishi | 1987-04-07 |
| 4619768 | Method of removing crude oil sludge | Sankichi Takahashi, Harumi Matsuzaki, Toshimi Mukushi, Katsuya Ebara, Tsunehiko Takakusagi +4 more | 1986-10-28 |
| 4584120 | Liquid crystal compound and liquid crystal composition | Tsunenori Fujii, Kenji Suzuki, Hisashi Okawa, Kaoru Koto, Hideki Ohmori +6 more | 1986-04-22 |
| 4564694 | Colorless liquid crystalline compounds | Yoichi Hirai, Tsunenori Fujii, Kaoru Koto, Kenji Suzuki, Hisashi Okawa +6 more | 1986-01-14 |
| 4560666 | High strength glass-ceramic containing apatite and alkaline earth metal silicate crystals and process for producing the same | Kenji Nakagawa | 1985-12-24 |
| 4558730 | Method of and apparatus for continuously or semi-continuously casting metal ingots | Susumu Inumaru | 1985-12-17 |
| 4476399 | Stabilized power source parallel operation system | Masahiko Oka | 1984-10-09 |
| 4454748 | Apparatus for measuring the content of hydrogen dissolved in a molten metal | Shiro Terai, Shiro Sato, Sakae Kato, Masaya Imai, Susumu Inumaru | 1984-06-19 |
| 4339983 | Clamping device for clamping plate-like members | Koichi Okamura, Susumu Kusakabe, Fumio Hiraoka | 1982-07-20 |