Koiwai; Tamotsu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koiwai; Tamotsu.The latest application filed is for "changeable lens barrel".
- Koiwai; Tamotsu - Akiruno JP
- Koiwai; Tamotsu - Tokyo JP
- Koiwai, Tamotsu - Akiruno-shi JP
- Koiwai; Tamotsu - Akikawa JP
- Koiwai; Tamotsu - Shimosuwa JP
| Patent | Date |
|---|---|
| Changeable lens barrel Grant 9,684,147 - Koiwai , et al. June 20, 2 | 2017-06-20 |
| Changeable Lens Barrel App 20150331221 - Koiwai; Tamotsu ; et al. | 2015-11-19 |
| Lens barrel and camera system Grant 8,660,419 - Toyama , et al. February 25, 2 | 2014-02-25 |
| Lens Barrel And Camera System App 20140009847 - Toyama; Mitsuru ; et al. | 2014-01-09 |
| Lens barrel and camera system Grant 8,565,591 - Toyama , et al. October 22, 2 | 2013-10-22 |
| Camera system and lens barrel Grant 8,559,807 - Toyama , et al. October 15, 2 | 2013-10-15 |
| Camera system Grant 8,553,136 - Toyama , et al. October 8, 2 | 2013-10-08 |
| Camera System And Lens Barrel App 20130163975 - Toyama; Mitsuru ; et al. | 2013-06-27 |
| Camera System App 20130148007 - Toyama; Mitsuru ; et al. | 2013-06-13 |
| Lens Barrel And Camera System App 20120328276 - Toyama; Mitsuru ; et al. | 2012-12-27 |
| Lens barrel having a flare diaphragm which can advance into and retreat from the optical path to eliminate deleterious light resulting from movement of the lens Grant RE40,685 - Koiwai , et al. March 31, 2 | 2009-03-31 |
| Lens barrel Grant 6,795,252 - Koiwai , et al. September 21, 2 | 2004-09-21 |
| Lens barrel Grant 6,785,059 - Koiwai August 31, 2 | 2004-08-31 |
| Optical apparatus including lens Grant 6,671,108 - Koiwai , et al. December 30, 2 | 2003-12-30 |
| Lens Barrel App 20030147156 - Koiwai, Tamotsu | 2003-08-07 |
| Lens barrel App 20030002173 - Koiwai, Tamotsu ; et al. | 2003-01-02 |
| Lens barrel App 20020171948 - Koiwai, Tamotsu ; et al. | 2002-11-21 |
| Optical apparatus including lens App 20020167741 - Koiwai, Tamotsu ; et al. | 2002-11-14 |
| Lens barrel and method of assembling the same App 20020141078 - Koiwai, Tamotsu ; et al. | 2002-10-03 |
| Lens barrel App 20020005993 - Koiwai, Tamotsu | 2002-01-17 |
| Lens barrel App 20010026401 - Koiwai, Tamotsu ; et al. | 2001-10-04 |
| Lens Grant 6,285,515 - Kitazawa , et al. September 4, 2 | 2001-09-04 |
| Lens holding structure Grant 6,157,501 - Sato , et al. December 5, 2 | 2000-12-05 |
| Lens barrel Grant 6,024,457 - Kawai , et al. February 15, 2 | 2000-02-15 |
| Imaging lens system Grant 5,748,390 - Koiwai , et al. May 5, 1 | 1998-05-05 |
| Camera Grant 5,552,845 - Nagao , et al. September 3, 1 | 1996-09-03 |
| Camera Grant 5,495,307 - Koiwai , et al. February 27, 1 | 1996-02-27 |
| Motor driven camera Grant 4,294,527 - Hashimoto , et al. October 13, 1 | 1981-10-13 |
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