Issued Patents All Time
Showing 301–315 of 315 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688525 | Hydraulic lash adjuster | — | 1987-08-25 |
| 4686512 | Integrated digital circuit for processing speech signal | Hideo Suzuki, Toshihiko Kuroki | 1987-08-11 |
| 4584410 | Process for the preparation of hydroxybenzaldehydes | Kazuhiko Hamada, Gohfu Suzukamo, Fujio Masuko | 1986-04-22 |
| 4568768 | Process for producing m-hydroxyacetophenone | Seiichi Kai, Nobuharu Kono | 1986-02-04 |
| 4505236 | Valve operating arrangement of an internal combustion engine | — | 1985-03-19 |
| 4469899 | Process for producing phloroglucin | Tsutomu Chiyoda, Shinichi Hasegawa | 1984-09-04 |
| 4463714 | Hydraulic lifter | — | 1984-08-07 |
| 4463197 | Method for purifying phloroglucin | Tsutomu Chiyoda, Shinichi Hasegawa | 1984-07-31 |
| 4463199 | Method for producing phloroglucin | Tsutomu Chiyoda, Shinichi Hasegawa | 1984-07-31 |
| 4455440 | Method for producing 1,3,5-triisopropylbenzene trihydroperoxides | Tsutomu Chiyoda, Shinichi Hasegawa | 1984-06-19 |
| 4401064 | Rocker arm fitting structure | Toshinari Hojima | 1983-08-30 |
| 4389540 | Adaptive linear prediction filters | Fumio Sugiyama | 1983-06-21 |
| 4305152 | Security communication system | Shigeru Asakawa, Fumio Sugiyama, Tsukasa Okai | 1981-12-08 |
| 4297508 | Process for producing 2 hydroxy-naphthalene-3-carboxylic acid | Yuzo Maegawa, Fujio Masuko | 1981-10-27 |
| 4268362 | Method for purifying acetic acid | Tetsuya Ogawa, Norio Yoshizaki, Tadakatsu Katsuragi, Kiyonori Shiiba | 1981-05-19 |