Ishigaki; Tsuneo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ishigaki; Tsuneo.The latest application filed is for "gate valve".
- Ishigaki; Tsuneo - Kitakatsushikagun JP
- Ishigaki; Tsuneo - Kitakatsushika-gun JP
- Ishigaki; Tsuneo - Tsukubamirai N/A JP
- ISHIGAKI; Tsuneo - Tsukubamirai-shi JP
- Ishigaki; Tsuneo - Yawara-mura JP
- Ishigaki; Tsuneo - Tsukuba-gun JP
- Ishigaki; Tsuneo - Saitama-ken JP
- Ishigaki; Tsuneo - Soka JP
- Ishigaki; Tsuneo - Sugito JP
| Patent | Date |
|---|---|
| Gate valve Grant 10,253,889 - Ishigaki , et al. | 2019-04-09 |
| Gate valve Grant 9,599,233 - Ishigaki , et al. March 21, 2 | 2017-03-21 |
| Radical-resistant gate valve Grant 9,482,350 - Ishigaki , et al. November 1, 2 | 2016-11-01 |
| Gate Valve App 20160238150 - ISHIGAKI; Tsuneo ; et al. | 2016-08-18 |
| Non-sliding gate valve Grant 9,404,589 - Ishigaki , et al. August 2, 2 | 2016-08-02 |
| Gate Valve App 20150369374 - ISHIGAKI; Tsuneo ; et al. | 2015-12-24 |
| Gate Valve App 20150316155 - ISHIGAKI; Tsuneo ; et al. | 2015-11-05 |
| Non-sliding Gate Valve App 20150014556 - ISHIGAKI; Tsuneo ; et al. | 2015-01-15 |
| Non-sliding gate valve Grant 8,800,956 - Ishigaki , et al. August 12, 2 | 2014-08-12 |
| Vacuum valve Grant 8,534,311 - Ishigaki , et al. September 17, 2 | 2013-09-17 |
| Non-sliding Gate Valve App 20130112906 - ISHIGAKI; Tsuneo ; et al. | 2013-05-09 |
| Vacuum Valve App 20110290340 - ISHIGAKI; Tsuneo ; et al. | 2011-12-01 |
| Linear motion-type gate valve Grant 7,896,313 - Ishigaki March 1, 2 | 2011-03-01 |
| Vacuum valve Grant 7,841,578 - Ishigaki November 30, 2 | 2010-11-30 |
| Linear Motion-type Gate Valve App 20090020719 - ISHIGAKI; Tsuneo | 2009-01-22 |
| Vacuum Valve App 20070231166 - ISHIGAKI; Tsuneo | 2007-10-04 |
| Gate valve Grant 7,234,679 - Ishigaki June 26, 2 | 2007-06-26 |
| Gate valve App 20060202147 - Ishigaki; Tsuneo | 2006-09-14 |
| Gate valve Grant 7,066,443 - Ishigaki June 27, 2 | 2006-06-27 |
| Gate valve apparatus Grant 6,932,111 - Ishigaki August 23, 2 | 2005-08-23 |
| Gate valve apparatus App 20040200534 - Ishigaki, Tsuneo | 2004-10-14 |
| Gate valve App 20040129910 - Ishigaki, Tsuneo | 2004-07-08 |
| Gate valve Grant 6,619,618 - Ishigaki , et al. September 16, 2 | 2003-09-16 |
| Low load seal Grant 6,523,833 - Ishigaki , et al. February 25, 2 | 2003-02-25 |
| Gate valve Grant 6,390,449 - Ishigaki , et al. May 21, 2 | 2002-05-21 |
| Opening/closing valve App 20020030171 - Ishigaki, Tsuneo ; et al. | 2002-03-14 |
| Gate valve App 20020027214 - Ishigaki, Tsuneo ; et al. | 2002-03-07 |
| Opening/closing valve App 20010047826 - Ishigaki, Tsuneo | 2001-12-06 |
| Gate valve Grant 6,299,133 - Waragai , et al. October 9, 2 | 2001-10-09 |
| Gate valve App 20010004106 - Waragai, Kenji ; et al. | 2001-06-21 |
| Vacuum-pressure-control slow exhaust valve Grant 5,848,608 - Ishigaki December 15, 1 | 1998-12-15 |
| High-vacuum valves Grant 5,145,152 - Komuro , et al. September 8, 1 | 1992-09-08 |
| Gas cleaner Grant 5,072,592 - Ishigaki December 17, 1 | 1991-12-17 |
| Pilot mode two-port solenoid valve Grant 4,717,116 - Ishigaki January 5, 1 | 1988-01-05 |
| Solenoid actuator Grant 4,443,775 - Fujitani , et al. April 17, 1 | 1984-04-17 |
| Solenoid actuator for electromagnetic valve Grant 4,409,580 - Ishigaki October 11, 1 | 1983-10-11 |
| Pilot-controlled electromagnetic valve Grant 3,994,318 - Ishigaki November 30, 1 | 1976-11-30 |
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