HT

Hiroshi Tokunaga

SO Sony: 29 patents #1,229 of 25,231Top 5%
KC Konishiroku Photo Industry Co.: 14 patents #37 of 894Top 5%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
KO Konica: 4 patents #638 of 1,958Top 35%
FL Fujitsu Media Devices Limited: 4 patents #47 of 136Top 35%
TC Tokyo Juki Industrial Co.: 2 patents #26 of 89Top 30%
NT NTT: 1 patents #2,911 of 4,871Top 60%
GR Graphtec: 1 patents #22 of 62Top 40%
HC Hitachi Keiyo Engineering Co.: 1 patents #46 of 115Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #39,533 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 51–60 of 60 patents

Patent #TitleCo-InventorsDate
4472724 Electrostatic image reproducing apparatus Ryubun Seimiya, Shigeru Inowa, Noriyoshi Tarumi, Masahiko Matsunawa 1984-09-18
4467333 Copying apparatus Ryubun Seimiya, Shigeru Inowa, Noriyoshi Tarumi, Masahiko Matsunawa 1984-08-21
4439462 Method for transferring and fixing a toner image Noriyoshi Tarumi, Kiyoshi Kimura, Yukio Okamoto, Makoto Tomono 1984-03-27
4435723 Recording apparatus with editing capability Ryubun Seimiya, Shigeru Inowa, Noriyoshi Tarumi, Masahiko Matsunawa 1984-03-06
4435066 Ion modulating electrode with improved transmission factor Noriyoshi Tarumi, Haruo Iwahashi, Masahiko Matsunawa 1984-03-06
4430661 Method and apparatus for image reproduction Noriyoshi Tarumi, Masahiko Matsunawa 1984-02-07
4426654 Ion modulating electrode Noriyoshi Tarumi, Haruo Iwahashi, Masahiko Matsunawa 1984-01-17
4425035 Image reproducing apparatus Noriyoshi Tarumi, Haruo Iwahashi, Masahiko Matsunawa 1984-01-10
4349395 Method for producing MOS semiconductor device Nobuo Toyokura, Shinichi Inoue, Hajime Ishikawa, Masaichi Shinoda 1982-09-14
4270136 MIS Device having a metal and insulating layer containing at least one cation-trapping element Nobuo Toyokura, Shinichi Inoue, Hajime Ishikawa, Masaichi Shinoda 1981-05-26