YS

Yoshifumi Sudoh

Ricoh Company: 5 patents #145 of 1,683Top 9%
Overall (2011): #13,246 of 364,097Top 4%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
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