KH

Kyohji Hattori

Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Overall (All Time): #469,661 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7447138 Method and apparatus for initializing optical recording media Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more 2008-11-04
RE39901 Initialization of phase-change optical recording medium Fumiya Ohmi, Kenichi Aihara, Katsuyuki Yamada, Yuki Nakamura, Eiji Noda +3 more 2007-10-30
6990053 Method and apparatus for initializing optical recording media Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more 2006-01-24
6775213 Method and apparatus for initializing optical recording media Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more 2004-08-10
6760291 Method and apparatus for initializing optical recording media Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more 2004-07-06
6660452 Optical information memory medium and display recording method using the same Hiroko Iwasaki, Kenichi Aihara, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima +1 more 2003-12-09
6580672 Method and apparatus for initializing optical recording media Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more 2003-06-17
6445669 Initialization of phase-change optical recording medium Fumiya Ohmi, Kenichi Aihara, Katsuyuki Yamada, Yuki Nakamura, Eiji Noda +3 more 2002-09-03
6373802 Method and apparatus for initializing optical recording media Kenichi Aihara, Katsuyuki Yamada, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more 2002-04-16
6329035 Optical data storage medium capable of reversibly displaying information Hiroko Iwasaki, Kenichi Aihara, Akihiko Okamoto, Yoshihiko Hotta, Naoshi Mishima +1 more 2001-12-11
5974025 Optical recording medium and recording and reproducing method using the same Katsuyuki Yamada, Yuki Nakamura, Eiji Noda, Kenichi Aihara, Fumiya Ohmi +1 more 1999-10-26