HT

Hajime Tanaka

KT Kabushiki Kaisha Toshiba: 15 patents #1,982 of 21,451Top 10%
KO Konica: 7 patents #359 of 1,958Top 20%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
FC Fuji Pigment Co.: 4 patents #5 of 23Top 25%
Canon: 4 patents #10,118 of 19,416Top 55%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
JT Jtekt: 3 patents #557 of 1,969Top 30%
KM Konica Minolta: 3 patents #626 of 1,361Top 50%
NC Nkk Co.: 3 patents #209 of 1,173Top 20%
NI Ngk Insulators: 2 patents #947 of 2,083Top 50%
YA Ykk Corporation Of America: 2 patents #21 of 58Top 40%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
KF Kanebo Foods: 1 patents #6 of 14Top 45%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
EM Elpida Memory: 1 patents #419 of 692Top 65%
Kyocera: 1 patents #2,054 of 3,732Top 60%
📍 Osaka, AL: #2 of 6 inventorsTop 35%
Overall (All Time): #47,007 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 26–50 of 54 patents

Patent #TitleCo-InventorsDate
7157843 Transfer film, method for forming metal back layer, and display device Takeo Ito, Tomoko Nakazawa, Taichiro Nakayama, Takaaki Shinohara, Yoichiro Nakayama +1 more 2007-01-02
7142792 Fixing apparatus Hidetoshi Katayanagi, Masashi Saito, Toshiki Hayami 2006-11-28
7079802 Fixing device with specific surface roughness Hidetoshi Katayanagi, Toshiki Hayami 2006-07-18
7074100 Method of forming metal back-attached fluorescent surface and image display unit Takeo Ito, Takashi Nishimura, Tsuyoshi Oyaizu 2006-07-11
7076197 Fixing device and image forming apparatus using the same 2006-07-11
7052353 Method of forming a phosphor screen and an image display unit containing the phosphor screen Takeo Ito, Tsuyoshi Oyaizu, Tomoko Nakazawa, Akira Mikami, Hitoshi Tabata 2006-05-30
6865366 Fixing apparatus equipped with sheet flattener Hidetoshi Katayanagi, Toshiki Hayami 2005-03-08
6841926 Transfer film, method for forming metal back layer, and image display Takeo Ito, Tomoko Nakazawa, Taichiro Nakayama, Takaaki Shinohara, Yoichiro Nakayama +1 more 2005-01-11
6833663 Fluorescent material layer with metal back, method of forming the fluorescent material layer, and image display device Tomoko Nakazawa, Takeo Ito 2004-12-21
6816699 Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing device Hidetoshi Katayanagi, Toshiki Hayami 2004-11-09
6782232 Fixing unit for an image forming apparatus Toshiki Hayami, Hidetoshi Katayanagi 2004-08-24
6699580 Dispersion composition for black matrix, display, and process, for production display Takeo Ito, Koji Washiyama, Tomoko Nakazawa, Tsuyoshi Oyaizu, Kazuo Sakai +2 more 2004-03-02
6690906 Fixing apparatus and image forming apparatus Masami Maruko, Hidetoshi Katayanagi, Toshiki Hayami 2004-02-10
6603947 Fixing device having heat applying rotary body and pressure applying rotary body, and image forming apparatus equipped with the fixing device Hidetoshi Katayanagi, Toshiki Hayami 2003-08-05
RE37750 CRT having color filter with a special green filter Takeo Itou, Hidemi Matsuda, Tomoko Nakazawa, Tsuyoshi Oyaizu 2002-06-18
6249305 Color image forming apparatus Takayuki Miyamoto, Masaaki Ikeda, Yuji Okugawa, Naoki Tajima, Masahiro Shigetomi 2001-06-19
5939821 Color cathode ray tube Takeo Itou, Hidemi Matsuda, Tomoko Nakazawa 1999-08-17
5686787 CRT having color filter with a special green filter Takeo Itou, Hidemi Matsuda, Tomoko Nakazawa, Tsuyoshi Oyaizu 1997-11-11
5640066 Display screen and method of manufacturing the same Takeo Itou, Hidemi Matsuda, Tomoko Nakazawa 1997-06-17
5602629 Image forming apparatus with a purge control means Hisahiro Saito, Takayuki Miyamoto, Takao Kurohata 1997-02-11
5148082 Color picture tube with light absorbing layer on screen Takeo Itou, Hidemi Matsuda, Kazuhiko Shimizu 1992-09-15
5126627 Color cathode ray tube including a red emitting phosphor and a light filtering means Takeo Itou, Hidemi Matsuda 1992-06-30
5045750 Color picture tube having a phosphor screen with a semitransparent black light absorption Takeo Itou, Hidemi Matsuda, Kazuhiko Shimizu 1991-09-03
4987338 Cathode ray tube with film on face-plate Takeo Itou, Hidemi Matsuda 1991-01-22
4860626 Wippen heel mechanism for an upright piano Shiro Saito 1989-08-29