AS

Atsushi Shibayama

NI Nikon: 63 patents #25 of 2,493Top 2%
IC Ihara Chemical Industry Co.: 4 patents #76 of 263Top 30%
KC Kumiai Chemical Industry Co.: 4 patents #78 of 284Top 30%
KC Kyodo Yushi Co.: 4 patents #21 of 191Top 15%
Nsk: 3 patents #483 of 1,559Top 35%
FM Fmc: 2 patents #531 of 1,735Top 35%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NU National University Corporation Saitama University: 1 patents #26 of 128Top 25%
📍 Iwata, JP: #7 of 782 inventorsTop 1%
Overall (All Time): #25,610 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 51–75 of 75 patents

Patent #TitleCo-InventorsDate
5694253 High zoom ratio zoom lens 1997-12-02
5668668 Zoom lens with five lens groups Masatoshi Suzuki, Takanori Fujita 1997-09-16
5663835 Inner focus zoom lens 1997-09-02
5640614 Camera capable of panorama phototaking Koichi Ohshita, Susumu Sato 1997-06-17
5638210 Zoom lens having a vibration correcting optical system Susumu Sato 1997-06-10
5633760 Zoom lens 1997-05-27
5585970 Zoom lens with high zoom ratio 1996-12-17
5570155 Focusing lens position controlling apparatus for a variable focal length lens 1996-10-29
5557470 Zoom lens system 1996-09-17
5530593 Zoom lens Susumo Sato 1996-06-25
5530594 Zoom lens 1996-06-25
5517357 Anti-vibration optical device 1996-05-14
5493361 Focus correcting apparatus for an auto focus camera Shigemasa Sato 1996-02-20
5436683 Camera capable of panorama phototaking Koichi Ohshita, Susumu Sato 1995-07-25
5422699 Photographic camera with variable focal length Shigemasa Sato, Masaru Muramatsu, Sueyuki Oishi 1995-06-06
5379154 High variable power ratio zoom lens Susumu Sato 1995-01-03
5353163 Wide-angle zoom lens Masahiro Nakatsuji 1994-10-04
5229887 Compact zoom lens Kiyoshi Hayashi 1993-07-20
5227920 Zoom lens 1993-07-13
5144489 Compact wide-angle zoom lens 1992-09-01
5032013 Zoom lens 1991-07-16
5000551 Zoom lens 1991-03-19
4998808 Compact zoom lens 1991-03-12
4929069 Zoom lens 1990-05-29
4911539 Micro zoom lens Teruyoshi Tsunashima, Kiyoshi Hayashi 1990-03-27