Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681463 | Portable liquid purifying device having activated carbon filter and micro-porous membrane filter | Satoru Matumoto, Makoto Nakagawa, Masashi Endo | 1997-10-28 |
| 5608824 | Image processing apparatus in which filters having different filtering characteristics can be switched among themselves | Shigeru Kobayashi, Hideyuki Masuyama, Shinji Aramaki | 1997-03-04 |
| 5598291 | Polygon mirror mounting structure | Soichi Isobe, Masaaki Sano, Yoshio Inoue | 1997-01-28 |
| 5552030 | Method of making a magnetic material in the form of a multilayer film by plating | Motonobu Onoda, Takeji Tsuchiya, Tohru Watanabe | 1996-09-03 |
| 5494146 | Coin selector | Hironobu Kurosawa, Toshitomo Kuwabara | 1996-02-27 |
| 5481401 | Ultraviolet microscope | Nobuhiro Kita, Shingo Kashima | 1996-01-02 |
| 5386281 | Thermal fixing device | Masao Mitani | 1995-01-31 |
| D353381 | Internal combustion engine | Isao Yoshida | 1994-12-13 |
| D353146 | Riding mower | Tadahiro Yaguchi, Hirohide Shimizu | 1994-12-06 |
| 5131518 | Coin testing apparatus | — | 1992-07-21 |
| 5050719 | Coin receiving apparatus for a vending machine | — | 1991-09-24 |
| 5048894 | Seat for special vehicle | Iwao Miyajima, Kenzo Shimada, Hiroshi Moriyama, Tatsuya Tokuda | 1991-09-17 |
| 5031125 | Apparatus for measuring electron temperature | Hiroshi Amemiya, Yuichi Sakamoto | 1991-07-09 |
| 5020653 | Device for discriminating between coins | — | 1991-06-04 |
| 5000870 | Waste oil processing substance | — | 1991-03-19 |
| 4922205 | Apparatus for detecting contamination on probe surface | Hiroshi Amemiya, Yuichi Sakamoto | 1990-05-01 |
| 4839089 | Substance for converting waste cooking oil into liquid soap | — | 1989-06-13 |
| 4806269 | Waste oil processing substance | — | 1989-02-21 |
| 4792416 | Substance and process for converting waste cooking oil into liquid soap | — | 1988-12-20 |
| D298433 | Agricultural tractor | Yoshio Mikado, Masayuki Ohsumi | 1988-11-08 |
| 4629348 | Writing instrument with sealing cap and additional rearward seal | Yasuyuki Hashimoto | 1986-12-16 |
| 4575271 | Writing instrument with movable closure and second sealing means | Yasuyuki Hashimoto | 1986-03-11 |
| 4544295 | Mechanical pencil with self-contained insert | Yasuyuki Hashimoto | 1985-10-01 |
| 4479732 | Writing instrument with sealing cap retained in tip | — | 1984-10-30 |
| 4469462 | Writing instrument with sealing tip | Yasuyuki Hashimoto | 1984-09-04 |