TY

Takehito Yamaguchi

Sumitomo Electric Industries: 13 patents #1,957 of 21,551Top 10%
Ricoh Company: 12 patents #1,888 of 9,818Top 20%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #103,387 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6278513 Image reader and digital copier with variable secondary scanning speed of an image scanning unit Kazuyuki Murata, Hideyuki Kuwano, Yuji Okada, Joji Tanaka, Naoki Takahashi +1 more 2001-08-21
5999766 Image processing apparatus with user authorization mechanism Kenji Hisatomi, Hideyuki Kuwano, Naoki Takahashi, Yuji Okada, Kazuyuki Murata 1999-12-07
5641724 Reversible thermosensitive coloring composition and a thermosensitive recording medium using thereof Kyoji Tsutsui, Masaru Shimada 1997-06-24
5585320 Reversible thermosensitive coloring recording method, recording medium and recording apparatus for the recording method Kyoji Tsutsui 1996-12-17
5552364 Reversible theromosensitive coloring recording method, recording medium and recording apparatus for the recording method Kyoji Tsutsui 1996-09-03
5534907 Reversible thermosensitive coloring recording method, recording medium and recording apparatus for the recording method Kyoji Tsutsui 1996-07-09
5432534 Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium Shoji Maruyama, Hiroshi Goto, Eiichi Kawamura, Masaru Shimada, Keishi Kubo +5 more 1995-07-11
5395433 Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium Shoji Maruyama, Hiroshi Goto, Eiichi Kawamura, Masaru Shimada, Keishi Kubo +5 more 1995-03-07
5296439 Reversible thermosensitive coloring recording medium, recording method, and image display apparatus using the recording medium Shoji Maruyama, Hiroshi Goto, Eiichi Kawamura, Masaru Shimada, Keishi Kubo +5 more 1994-03-22