Kohyama; Haruhiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kohyama; Haruhiko.The latest application filed is for "cellulose acetate-based asymmetric hollow fiber membrane".
- Kohyama; Haruhiko - Osaka JP
- Kohyama; Haruhiko - Osaka-shi Osaka
- Kohyama; Haruhiko - Tokyo JP
- Kohyama; Haruhiko - Ohtsu JP
- Kohyama; Haruhiko - Shiga JP
| Patent | Date |
|---|---|
| Cellulose acetate-based asymmetric hollow fiber membrane Grant 11,014,053 - Mabuchi , et al. May 25, 2 | 2021-05-25 |
| Cellulose acetate-based hollow fiber membrane Grant 11,007,490 - Mabuchi , et al. May 18, 2 | 2021-05-18 |
| Cellulose Acetate-based Asymmetric Hollow Fiber Membrane App 20200070099 - Mabuchi; Kimihiro ; et al. | 2020-03-05 |
| Cellulose Acetate-based Hollow Fiber Membrane App 20190270051 - Mabuchi; Kimihiro ; et al. | 2019-09-05 |
| Residual magnetic flux determining apparatus Grant 8,093,885 - Tsutada , et al. January 10, 2 | 2012-01-10 |
| Gas circuit breaker Grant 8,071,905 - Yoshitomo , et al. December 6, 2 | 2011-12-06 |
| Gas-circuit breaker Grant 8,030,590 - Yoshida , et al. October 4, 2 | 2011-10-04 |
| Controlled switching device Grant 7,902,696 - Tsutada , et al. March 8, 2 | 2011-03-08 |
| Process for producing polyester, polyester produced using said process, and polyester molded product Grant 7,868,126 - Kageyama , et al. January 11, 2 | 2011-01-11 |
| Puffer-type gas blast circuit breaker Grant 7,763,821 - Yoshitomo , et al. July 27, 2 | 2010-07-27 |
| Residual Magnetic Flux Determining Apparatus App 20100013470 - Tsutada; Hiroyuki ; et al. | 2010-01-21 |
| Controlled Switching Device App 20080269952 - TSUTADA; Hiroyuki ; et al. | 2008-10-30 |
| Gas circuit breaker App 20080257865 - Yoshitomo; Yuji ; et al. | 2008-10-23 |
| Process for Producing Polyester, Polyester Produced Using Said Process, and Polyester Molded Product App 20080249280 - Kageyama; Katsuhiko ; et al. | 2008-10-09 |
| Gas-circuit breaker App 20080203061 - Yoshida; Daisuke ; et al. | 2008-08-28 |
| Gas insulated switchgear Grant 7,323,652 - Yoshida , et al. January 29, 2 | 2008-01-29 |
| Puffer-Type Gas Blast Circuit Breaker App 20070262053 - Yoshitomo; Yuji ; et al. | 2007-11-15 |
| Phase control switching device Grant 7,259,947 - Kinoshita , et al. August 21, 2 | 2007-08-21 |
| Gas insulated switchgear App 20060243091 - Yoshida; Daisuke ; et al. | 2006-11-02 |
| Transformer inrush current elimination system Grant 7,095,139 - Tsutada , et al. August 22, 2 | 2006-08-22 |
| Phase control switching device App 20060018068 - Kinoshita; Sadayuki ; et al. | 2006-01-26 |
| Transformer inrush current elimination system App 20040124814 - Tsutada, Hiroyuki ; et al. | 2004-07-01 |
| Phase control switch apparatus Grant 6,493,203 - Ito , et al. December 10, 2 | 2002-12-10 |
| Synchronous switching apparatus for use with a multiple phase power system Grant 6,392,390 - Ito , et al. May 21, 2 | 2002-05-21 |
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