MH

Masashi Hankawa

OI Olympus Imaging: 13 patents #14 of 341Top 5%
OC Olympus Optical Co.: 9 patents #371 of 2,334Top 20%
OL Olympus: 5 patents #926 of 3,097Top 30%
Overall (All Time): #147,492 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
8159565 Zoom optical system and electronic imaging apparatus having the same Eiji Shirota, Masaru Morooka 2012-04-17
8014078 Zoom lens and image pickup apparatus equipped with same 2011-09-06
7948687 Zoom lens and image pickup apparatus equipped with same 2011-05-24
7944622 Zoom lens and image pickup apparatus equipped with same 2011-05-17
7729058 Zoom lens system and electronic image pickup apparatus using the same Kouki Hozumi, Takahiro Amanai, Toru Miyajima, Masahito Watanabe, Kazuya Nishimura 2010-06-01
7706082 Zoom lens and imaging apparatus incorporating the same Tomoyuki Satori 2010-04-27
7692872 Zoom lens and imaging apparatus incorporating the same Tomoyuki Satori 2010-04-06
7623306 Zoom lens and imaging apparatus incorporating the same Tomoyuki Satori 2009-11-24
7561343 Electronic image pickup apparatus using zoom lens system Eiji Shirota 2009-07-14
7471459 Zoom lens system and image pickup apparatus using the same Masahito Watanabe, Kouki Hozumi, Kazuya Nishimura, Takahiro Amanai, Toru Miyajima 2008-12-30
7453650 Zoom optical system and electronic imaging apparatus having the same Toru Miyajima, Kouki Hozumi 2008-11-18
7339745 Zoom lens system and electronic image pickup apparatus using the same Kouki Hozumi, Kazuya Nishimura, Toru Miyajima 2008-03-04
7339744 Electronic imaging apparatus Eiji Shirota, Kazuteru Kawamura, Masahito Watanabe 2008-03-04
7177092 Wide-angle, high-zoom-ratio zoom lens Tomoyuki Satori 2007-02-13
7151637 Zoom lens and a camera providing the same Akiyoshi Tochigi, Masaru Morooka 2006-12-19
7006302 Image-formation lens,system and imaging system using the same Toshio Takahashi, Kazuteru Kawamura, Eiji Shirota 2006-02-28
6934091 Image-formation lens system, and imaging system using the same Toshio Takahashi, Kazuteru Kawamura, Eiji Shirota 2005-08-23
6865032 Real image type finder optical system, and imaging system comprising the same Toshio Takahashi 2005-03-08
6433940 Zoom optical system Kazuteru Kawamura, Masaru Morooka 2002-08-13
6094310 Eyepiece system having wide visual field 2000-07-25
5959782 Eyepiece system having wide visual field 1999-09-28
5850311 Eyepiece system Tomoko Sato 1998-12-15
5835276 Optical system having compound prism design to reduce ghosts and plares Tetsuhisa Asai, Yoshihiro Matsumoto 1998-11-10
5727239 Photographing optical apparatus Masaki Imaizumi, Yuji Ogasawara 1998-03-10
5623371 Macro lens system 1997-04-22