Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8590942 | Connected structure of vacuum double pipe, vacuum double pipe, and joint of vacuum double pipe | Hiroshi Itafuji, Shinji Hayakawa, Yasushi Kohno | 2013-11-26 |
| 8573560 | Vacuum control valve and vacuum control system | Hiroshi Itafuji | 2013-11-05 |
| 8544350 | Sample injector | Hiroshi Itafuji | 2013-10-01 |
| 8544500 | Coupling apparatus for chemical fluid flow channel | Hiroshi Itafuji | 2013-10-01 |
| 8361231 | Liquid vaporization system | Hiroshi Itafuji | 2013-01-29 |
| 8210196 | Vacuum control system and vacuum control method | Hiroshi Itafuji | 2012-07-03 |
| 6913031 | Pulse shot type flow controller and pulse shot type flow controlling method | Tokuhide Nawata, Yoshihisa Sudoh, Masayuki Watanabe, Hiroki Doi | 2005-07-05 |
| 6508268 | Vacuum pressure control apparatus | — | 2003-01-21 |
| 6289737 | Vacuum pressure control system | Masayuki Watanabe, Hiroshi Kagohashi | 2001-09-18 |
| 6202681 | Vacuum pressure control system | Masayuki Watanabe, Shinichi Nitta, Hiroshi Takehara | 2001-03-20 |
| 6041814 | Vacuum pressure control system | Masayuki Watanabe, Shinichi Nitta, Hiroshi Takehara | 2000-03-28 |