Tsuboki; Keitaro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsuboki; Keitaro.The latest application filed is for "ball point pen".
- Tsuboki; Keitaro - Tokyo JP
| Patent | Date |
|---|---|
| Ball point pen Grant D507,811 - Shibata , et al. July 26, 2 | 2005-07-26 |
| Cap for a writing instrument Grant D504,465 - Shibata , et al. April 26, 2 | 2005-04-26 |
| Electronic still camera Grant D459,378 - Masamitsu , et al. June 25, 2 | 2002-06-25 |
| Earphone Grant D457,515 - Masamitsu , et al. May 21, 2 | 2002-05-21 |
| Audio player Grant D450,713 - Masamitsu , et al. November 20, 2 | 2001-11-20 |
| Front portion of tape player Grant D436,103 - Yamada , et al. January 9, 2 | 2001-01-09 |
| Selecting device Grant D413,593 - Suzuki , et al. September 7, 1 | 1999-09-07 |
| Audio disc player combined with radio receiver and tape recorder Grant D410,925 - Kawase , et al. June 15, 1 | 1999-06-15 |
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