Ooyama; Kei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ooyama; Kei.The latest application filed is for "wheelchair".
- Ooyama; Kei - Akishima JP
- OOYAMA; Kei - Akishima-shi JP
- Ooyama; Kei - Higashiyamato JP
- Ooyama, Kei - Tokyo JP
| Patent | Date |
|---|---|
| Wheelchair Grant 9,693,914 - Ooyama July 4, 2 | 2017-07-04 |
| Wheelchair App 20160220432 - OOYAMA; Kei | 2016-08-04 |
| Brake-equipped wheelchair Grant 9,027,948 - Ooyama May 12, 2 | 2015-05-12 |
| Brake-equipped Wheelchair App 20120241265 - Ooyama; Kei | 2012-09-27 |
| Rising-type bed apparatus and mattress Grant 7,017,210 - Ooyama , et al. March 28, 2 | 2006-03-28 |
| Rising-type bed apparatus and mattress App 20050028281 - Ooyama, Kei ; et al. | 2005-02-10 |
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