Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6196063 | Method and apparatus for measuring piston ring tension | Yasuo Kasai, Yukio Inoue, Tim Harris, Eric Ellington | 2001-03-06 |
| 4793923 | Gradient density filter medium | Teruichi Kadoya, Tatsuo Ohta, Takashi Nagashima, Daisuke Horiuchi, Masayuki Okazaki | 1988-12-27 |