Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148657 | Method and apparatus for analyzing a breath sample | Katsuhiko Satoh, Akira Yanagida | 2000-11-21 |
| 5777895 | Remote management system | Kiyomitsu Kuroda, Ichiro Fukuoka | 1998-07-07 |
| 5757643 | Remote management system | Kiyomitsu Kuroda, Ichiro Fukuoka | 1998-05-26 |
| 5538260 | Mechanical seal | Tatsuhiko Fukuoka | 1996-07-23 |
| 5439961 | Process for producing polyester film | Akito Itoi, Isao Nishi | 1995-08-08 |
| 5312117 | Mechanical seal | Tatsuhiko Fukuoka | 1994-05-17 |
| 5149106 | Lip seal device | Keiichi Shimasaki, Hiroshi Kanayama | 1992-09-22 |
| 5083802 | Lip seal device | Keiichi Shimasaki, Hiroshi Kanayama, Hiroshi Kanemitsu, Makoto Shibata, Satoshi Asahi | 1992-01-28 |
| 5056799 | Lip seal device | Keiichi Shimasaki, Hiroshi Kanayama | 1991-10-15 |
| 4958712 | Wet clutch device | Tatsumi Suganuma, Shigehiro Nozue, Tatsuhiko Fukuoka, Naoto Noguchi | 1990-09-25 |
| 4921260 | Lip seal device for water pumps | Masanori Hatanaka | 1990-05-01 |
| 4834397 | Lip seal device having an annular groove | Keiichi Shimasaki, Hiroshi Kanayama, Hiroshi Kanemitsu, Makoto Shibata, Satoshi Asahi | 1989-05-30 |
| 4822059 | Dual lip seal device | Keiichi Shimasaki, Hiroshi Kanayama, Hiroshi Kanemitsu, Makoto Shibata, Satoshi Asahi | 1989-04-18 |
| 4733873 | Mechanical seal | Masanori Hatanaka, Kuniharu Suzuki, Junichi Ito, Yoshifumi Yamada, Hironori Yoshida | 1988-03-29 |
| 4509803 | Sliding member having a novel pore structure on the sliding surface thereof | Keiichi Shimasaki, Yasumitsu Kuwazuru | 1985-04-09 |
| 4426089 | Dust-proof device for mechanical seal | Tatsuhiko Fukuoka | 1984-01-17 |
| 4423879 | Mechanical seal | Tatsuhiko Fukuoka | 1984-01-03 |
| 4420163 | Mechanical seal | Tatsuhiko Fukuoka | 1983-12-13 |
| 4416458 | Mechanical face seal with minute pores in sliding surface | Keiichi Shimazaki, Yasumitsu Kuwazuru | 1983-11-22 |
| 4415168 | Mechanical seal | Tatsuhiko Fukuoka | 1983-11-15 |
| 4407513 | Mechanical seal | Tatsuhiko Fukuoka | 1983-10-04 |
| 4343479 | Mechanical seals | Tatsuhiko Fukuoka | 1982-08-10 |