Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221472 | Vacuum filtration apparatus with horizontal filter-like conveyor | Michio Ikeda, Kazuo Kamezaki, Yoshihiko Nakazawa, Shuji Iwasaki, Masuhiro Sato | 1993-06-22 |
| 5112502 | Homogeneous substitution method and apparatus for cake using filter press | Kazuo Satoh, Koichiro Sekine, Kou Kakisada | 1992-05-12 |
| 4907036 | Densitometer for photography | — | 1990-03-06 |
| 4669632 | Evacuated heat insulation unit | Tamotsu Kawasaki, Takeshi Kuwana | 1987-06-02 |
| 4668551 | Evacuated heat insulation unit and method of manufacturing same | Tamotsu Kawasaki, Tadayoshi Iwasaki, Takayuki Maeda | 1987-05-26 |
| 4617401 | 8-substituted pyrrolizidine and quaternary ammonium salts thereof | Seiji Miyano, Kunihiro Sumoto, Fumio Sato | 1986-10-14 |
| 4588414 | Countercurrent, cooling crystallization and purification method for multi-component molten mixture | Keizo Takegami, Kazuto Nakamaru, Koji Miwa | 1986-05-13 |
| 4564624 | 8-(Substituted N-phenylcarboxamidomethyl) pyrrolizidines and use thereof as antiarrhythmics | Seiji Miyano, Kunihiro Sumoto, Fumio Sato | 1986-01-14 |
| 4442577 | Processing of steel pipes or round bars | Masachik Numano | 1984-04-17 |
| 4424616 | Conditioning line for steel pipes | Masachika Numano, Shinji Akita | 1984-01-10 |
| 4421046 | Thread cutter assembly in sewing machine | — | 1983-12-20 |
| 4405687 | Polyborosiloxane composition for production of electrically insulating layer and insulated electric wire using the composition | Etsuo Hosokawa, Kohzoh Arahara | 1983-09-20 |
| 4383911 | Process for direct liquefaction of coal | Shimio Sato, Takao Hashimoto, Yoji Kitaoka | 1983-05-17 |
| 4383121 | Process for purifying monochloroacetic acid | Ryoji Sugamiya, Kazuto Nakamaru, Keizo Takegami, Koji Miwa | 1983-05-10 |
| 4382503 | Walking beam | Shinji Akita | 1983-05-10 |
| 4367048 | Slurry storage tank | — | 1983-01-04 |
| 4362601 | Method for distilling ethyl alcohol by adding salt or salts | — | 1982-12-07 |
| 4290999 | Apparatus for direct liquefaction | Shimio Sato, Takao Hashimoto, Yoji Kitaoka | 1981-09-22 |
| 4269323 | Heat insulated tank | Nobuyoshi Ito, Hiroshi Morishita, Takashi Fukano | 1981-05-26 |
| 4251500 | Process for hydrocracking a waste rubber | Tetsuya Takamatsu | 1981-02-17 |