YS

Yoshifumi Sudoh

Ricoh Company: 36 patents #442 of 9,818Top 5%
Overall (All Time): #92,065 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
8139297 Imaging optical system, camera apparatus, and personal digital assistant 2012-03-20
8081355 Illumination unit, image read apparatus, image formation apparatus Kiichiro Nishina, Yasuo Sakurai, Masahiro Itoh, Hibiki Tatsuno 2011-12-20
8018663 Image forming lens, camera and portable information terminal Kazuyasu Ohashi 2011-09-13
7961365 Image reading apparatus and image forming apparatus Kiichiro Nishina, Masahiro Itoh 2011-06-14
7869143 Imaging optical system, camera apparatus, and personal digital assistant 2011-01-11
7864443 Zoom lens, imaging apparatus, and personal data assistant Hiromichi Atsuumi 2011-01-04
7719773 Zoom lens unit and imaging apparatus Hiromichi Atsuumi 2010-05-18
7636201 Zoom lens and camera device including the same Hiromichi Atsuumi 2009-12-22
7623298 Zoom lens, camera apparatus, and portable information terminal apparatus 2009-11-24
7535653 Zoom lens, imaging device and camera device and mobile information terminal using the zoom lens 2009-05-19
7372636 Zoom lens and image-taking device 2008-05-13