Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7090190 | Flow control valve | Hiroto Yasue, Yasushi Hirako, Kazuhiro Sugata | 2006-08-15 |
| 6289737 | Vacuum pressure control system | Masayuki Kouketsu, Masayuki Watanabe | 2001-09-18 |
| D445886 | Exhaust switching unit | Yoji Mori, Hiroshi Kino, Yuji Matsuoka, Akira Murakumo | 2001-07-31 |
| D439633 | Vacuum control valve | Toshihiro Ikeo, Tomohiro Ito | 2001-03-27 |
| 5134962 | Spin coating apparatus | Haruo Amada, Akihiro Kojima, Atsuyuki Sakai, Katsumasa Shimura, Hisamitsu Maekawa | 1992-08-04 |
| 4793241 | Piston position detector for fluid pressure cylinder | Shigeru Mano | 1988-12-27 |