Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810915 | Accumulator having a safety valve | Hiroshi Mizukami, Koichiro Yamada | 2004-11-02 |
| 6789576 | Accumulator | Koji Nakamura, Hiroshi Mizukami, Koichiro Yamada | 2004-09-14 |
| 6525290 | Accumulator and manufacturing process thereof | Takeyoshi Shimbori, Kouji Nakamura, Hiroshi Mizukami, Naoki Ueno | 2003-02-25 |
| 6286552 | Accumulator and manufacturing process thereof | Takeyoshi Shimbori, Kouji Nakamura, Hiroshi Mizukami, Naoki Ueno | 2001-09-11 |
| 5098071 | Die spring apparatus | — | 1992-03-24 |
| 5027637 | Die cushion for applying pressure to a press machine via gas pressurized push rods | — | 1991-07-02 |
| 4858898 | Accumulator | Yoshiharu Niikura, Takeo Fukumura | 1989-08-22 |
| 4763882 | Coated coil spring | Masakazu Nishiyama, Akira Kebukawa, Mituru Andoh | 1988-08-16 |
| 4698050 | Laminated metallic belt for torque transmission device and method of manufacture thereof | Torao Hattori, Yasushi Takagi, Akira Tange, Osamu Kudo, Kiyoshi Kurimoto +1 more | 1987-10-06 |