Inventor
Masashi Hankawa
Inventor
Hachioji, JP
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus87%
H04NPictorial communication, e.g. television10%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
PatentTitleYear
8,159,565'Zoom optical system and electronic imaging apparatus having the same'20128,014,078'Zoom lens and image pickup apparatus equipped with same'20117,948,687'Zoom lens and image pickup apparatus equipped with same'20117,944,622'Zoom lens and image pickup apparatus equipped with same'20117,729,058'Zoom lens system and electronic image pickup apparatus using the same'20107,706,082'Zoom lens and imaging apparatus incorporating the same'20107,692,872'Zoom lens and imaging apparatus incorporating the same'20107,623,306'Zoom lens and imaging apparatus incorporating the same'20097,561,343'Electronic image pickup apparatus using zoom lens system'20097,471,459'Zoom lens system and image pickup apparatus using the same'20087,453,650'Zoom optical system and electronic imaging apparatus having the same'20087,339,745'Zoom lens system and electronic image pickup apparatus using the same'20087,339,744'Electronic imaging apparatus'20087,177,092'Wide-angle, high-zoom-ratio zoom lens'20077,151,637'Zoom lens and a camera providing the same'20067,006,302'Image-formation lens,system and imaging system using the same'20066,934,091'Image-formation lens system, and imaging system using the same'20056,865,032'Real image type finder optical system, and imaging system comprising the same'20056,433,940'Zoom optical system'20026,094,310'Eyepiece system having wide visual field'20005,959,782'Eyepiece system having wide visual field'19995,850,311'Eyepiece system'19985,835,276'Optical system having compound prism design to reduce ghosts and plares'19985,727,239'Photographing optical apparatus'19985,623,371'Macro lens system'19975,596,386'Projection and reception type focus detecting apparatus'19975,559,638'Wide-angle lens system #6'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2002Patents assigned to OLYMPUS OPTICAL CO (9)· patent assignee history
1996–1997Based in Hino, JP· patent location history
1998Based in Koza-gun, JP· patent location history
1999–2012Based in Hachioji, JP· patent location history
2002–2006Based in Tokyo, JP· patent location history
2005–2007Patents assigned to OLYMPUS CORP (5)· patent assignee history
2008–2012Patents assigned to OLYMPUS IMAGING CORP (13)· patent assignee history
2010Based in Shibuya-ku, JP· patent location history
2012Patents assigned to HANKAWA MASASHI (1)· patent assignee history
2012Patents assigned to MOROOKA MASARU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OLYMPUS IMAGING CORP | 13 | 2008–2012 |
| OLYMPUS OPTICAL CO | 9 | 1996–2002 |
| OLYMPUS CORP | 5 | 2005–2007 |
| HANKAWA MASASHIself | 1 | 2012 |
| MOROOKA MASARU | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 18 | 1999–2012 |
| Hino, JP | 3 | 1996–1997 |
| Tokyo, JP | 2 | 2002–2006 |
| Koza-gun, JP | 2 | 1998 |
| Shibuya-ku, JP | 1 | 2010 |