Sumi; Akiyasu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sumi; Akiyasu.The latest application filed is for "motor".
- Sumi; Akiyasu - Kanagawa JP
- Sumi; Akiyasu - Yokohama JP
- Sumi; Akiyasu - Kawasaki JP
| Patent | Date |
|---|---|
| Motor Grant 4,806,813 - Sumi , et al. February 21, 1 | 1989-02-21 |
| Motor-built-in photographic lens Grant 4,763,150 - Sumi August 9, 1 | 1988-08-09 |
| Lens driving device Grant 4,660,933 - Notagashira , et al. April 28, 1 | 1987-04-28 |
| Photographic lens barrel assembly Grant 4,596,454 - Kawai , et al. June 24, 1 | 1986-06-24 |
| Diaphragm device Grant 4,491,401 - Inaba , et al. January 1, 1 | 1985-01-01 |
| Cam device for a photographing lens barrel Grant 4,465,344 - Sumi * August 14, 1 | 1984-08-14 |
| Lens assembly provided with an automatic focusing device Grant 4,422,740 - Sumi , et al. December 27, 1 | 1983-12-27 |
| Method of making a lens barrel assembly Grant 4,385,023 - Sumi May 24, 1 | 1983-05-24 |
| Mounting mechanism for the interchangeable lens assembly of a camera Grant 4,322,154 - Hashimoto , et al. March 30, 1 | 1982-03-30 |
| Mounting for interchangeable camera lens assembly with diaphragm means Grant 4,230,403 - Hashimoto , et al. October 28, 1 | 1980-10-28 |
| Exposure correction factor setting device for a camera Grant 4,159,168 - Sumi , et al. June 26, 1 | 1979-06-26 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 