Koizumi; Hirofumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koizumi; Hirofumi.The latest application filed is for "on/off detecting buckle switch".
- Koizumi; Hirofumi - Osaka JP
- Koizumi; Hirofumi - Yao JP
- Koizumi; Hirofumi - Yao-shi JP
| Patent | Date |
|---|---|
| On/off detecting buckle switch Grant 9,616,847 - Desaki , et al. April 11, 2 | 2017-04-11 |
| On/off detecting buckle switch Grant 9,266,499 - Desaki , et al. February 23, 2 | 2016-02-23 |
| On/off Detecting Buckle Switch App 20150217723 - Desaki; Kenjiro ; et al. | 2015-08-06 |
| Slide switch Grant 8,952,283 - Yamanaka , et al. February 10, 2 | 2015-02-10 |
| Slide switch Grant 8,952,279 - Yamanaka , et al. February 10, 2 | 2015-02-10 |
| Slide switch Grant 8,921,723 - Yamanaka , et al. December 30, 2 | 2014-12-30 |
| On/off Detecting Buckle Switch App 20140262706 - Desaki; Kenjiro ; et al. | 2014-09-18 |
| Slide Switch App 20130175145 - Yamanaka; Satoshi ; et al. | 2013-07-11 |
| Slide Switch App 20130175152 - Yamanaka; Satoshi ; et al. | 2013-07-11 |
| Slide Switch App 20130175146 - Yamanaka; Satoshi ; et al. | 2013-07-11 |
| Push-button switch Grant 8,362,382 - Koizumi , et al. January 29, 2 | 2013-01-29 |
| Slide switch for buckle apparatus Grant 8,327,512 - Yamanaka , et al. December 11, 2 | 2012-12-11 |
| Slide Switch for Buckle Apparatus App 20110067209 - Yamanaka; Satoshi ; et al. | 2011-03-24 |
| Push-button switch App 20090229958 - Koizumi; Hirofumi ; et al. | 2009-09-17 |
| Compound operation input device Grant 7,498,527 - Koizumi , et al. March 3, 2 | 2009-03-03 |
| Compound operation input device App 20080041709 - Koizumi; Hirofumi ; et al. | 2008-02-21 |
| Movable contact for a push-on switch, and push-on switch Grant 6,951,991 - Asada , et al. October 4, 2 | 2005-10-04 |
| Movable Contact For A Push-on Switch, And Push-on Switch App 20050082156 - Asada, Makoto ; et al. | 2005-04-21 |
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