Issued Patents All Time
Showing 251–275 of 277 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5024489 | Regenerative braking system for car | Takashi Shima | 1991-06-18 |
| 5013349 | Soil conditioner and method of producing the same | — | 1991-05-07 |
| 4993780 | Regenerative braking system for car | Takashi Shima | 1991-02-19 |
| 4927710 | Matting agent | Minoru Ueda, Taizo Masuda | 1990-05-22 |
| 4885750 | Method and apparatus for error correction | Kazunori Nishikawa, Kazuya Yamada | 1989-12-05 |
| 4868827 | Digital data processing system | Kazuya Yamada, Kazunori Nishikawa, Yasuhiro Yamada | 1989-09-19 |
| 4857617 | Process for producing a high softening point hydrocarbon resin | Katsuo Takemoto, Yasushi Sakai | 1989-08-15 |
| 4834562 | Print control apparatus | Naoki Shikanai, Tetsuo Okuhara | 1989-05-30 |
| 4811370 | Digital muting circuit | Kazuya Yamada, Kazunori Nishikawa | 1989-03-07 |
| 4748363 | Current-collecting brush apparatus | Takashi Watanabe, Masao Ohi, Yoshio Takikawa, Yasuto Kondoh, Satoshi Oouchi | 1988-05-31 |
| 4684711 | Process for producing a hydrocarbon resin | Yasushi Sakai, Michio Saito, Akio Kiyohara | 1987-08-04 |
| 4633329 | Information signal recording medium and reproducing apparatus therefor | Hiroyuki Sugiyama, Nobuaki Takahashi, Takeshi Shibamoto, Hideo Sato, Mitsuo Kubo +2 more | 1986-12-30 |
| 4614979 | Digital video signal reproducing apparatus | Hiroyuki Sugiyama, Yoshiaki Amano, Ryozo Abe, Nobuaki Takahashi, Takeshi Shibamoto +1 more | 1986-09-30 |
| 4613908 | Digital video signal reproducing apparatus | Nobuaki Takahashi, Seiichi Takashima, Takeshi Shibamoto, Fujio Suzuki, Mitsuo Kubo +3 more | 1986-09-23 |
| 4587558 | Address signal generating circuit for a memory circuit | Hiroyuki Sugiyama, Nobuaki Takahashi, Takeshi Shibamoto, Hideo Sato, Yoshiaki Amano | 1986-05-06 |
| 4554597 | Memory utilization control system for compressed digital picture data transmission system | Hiroyuki Sugiyama, Takeshi Shibamoto, Hideo Sato, Tsuneo Furuki, Mitsuo Kubo | 1985-11-19 |
| 4546033 | Gasket sheet | Yasushi Tsuchimoto, Shiro Takahata, Kiyotaka Shimada, Susumu Aoki, Tsutomu Yamamoto +2 more | 1985-10-08 |
| 4520401 | Digital video signal recording system and reproducing apparatus | Nobuaki Takahashi, Seiichi Takashima, Takeshi Shibamoto, Fujio Suzuki, Mitsuo Kubo +3 more | 1985-05-28 |
| 4513327 | Digital signal recording system and reproducing apparatus | Nobuaki Takahashi, Seiichi Takashima, Takeshi Shibamoto, Fujio Suzuki | 1985-04-23 |
| 4507204 | Water-removing material usable for hydrophobic liquids and process for producing the same | Minoru Ueda | 1985-03-26 |
| 4493772 | Filter for removing water from water-containing oil and method for the same | — | 1985-01-15 |
| 4374175 | Novel water-swellable fibers and process for producing the same | — | 1983-02-15 |
| 4366206 | Novel water-swellable fibers having a high degree of water-swellability and excellent physical properties and process for producing the same | — | 1982-12-28 |
| 4283518 | Process for manufacturing a petroleum resin | Toru Iwashita, Mineo Nagano | 1981-08-11 |
| 4272422 | Aqueous microhydrogel dispersions, processes for producing the same, and processes for producing microhydrogels | — | 1981-06-09 |