HT

Hiroaki Toshima

Canon: 16 patents #4,160 of 19,416Top 25%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
KL Kenwood Limited: 2 patents #71 of 319Top 25%
NC Namiki Precision Jewel Co.: 2 patents #5 of 47Top 15%
TK Trio Kabushiki Kaisha: 1 patents #22 of 70Top 35%
Overall (All Time): #197,504 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8429815 Manufacturing method of substrate, manufacturing method of wiring board, wiring board, electronic device, electron source, and image display apparatus Naoki Matsuzaki, Kazuya Ishiwata 2013-04-30
7642702 Electron source, image display apparatus, image reproducing apparatus, wiring board, and electronic device Masafumi Moriya, Kazuya Ishiwata 2010-01-05
7055938 Liquid jet recording head and process for production thereof Norio Ohkuma, Masashi Miyagawa 2006-06-06
6902455 Method of manufacturing member pattern, electron source, and image display device Yoshihiro Yanagisawa, Kazuya Ishiwata 2005-06-07
6853117 Electron source and producing method therefor Kazuya Ishiwata, Yoshimi Uda 2005-02-08
6758712 Methods of manufacturing wiring substrate and electron source substrate and image forming apparatus with the same Shinsaku Kubo, Kazuya Ishiwata, Yoshimi Uda, Yasuyuki Watanabe 2004-07-06
6461798 Process for the production of an ink jet head Norio Ohkuma, Masashi Miyagawa 2002-10-08
6455112 Method of manufacturing ink jet recording head and ink jet recording head manufactured by the method Norio Ohkuma, Masashi Miyagawa 2002-09-24
6165034 Method of manufacturing electron source or image forming apparatus using the same Aoji Isono, Yoshiyuki Osada, Hidetoshi Suzuki, Eiji Yamaguchi, Toshihiko Takeda +2 more 2000-12-26
5945260 Method for manufacturing liquid jet recording head Masashi Miyagawa, Norio Ohkuma 1999-08-31
5929827 Electron source, image forming apparatus using the same, method of manufacturing the same, and method of driving the same Aoji Isono, Yoshiyuki Osada, Hidetoshi Suzuki, Eiji Yamaguchi, Toshihiko Takeda +2 more 1999-07-27
5659329 Electron source, and image-forming apparatus and method of driving the same Masato Yamanobe, Yoshiyuki Osada, Ichiro Nomura, Hidetoshi Suzuki, Tetsuya Kaneko +10 more 1997-08-19
5654607 Image forming device and method including surface-conduction electron emitting devices and an electrode array for generating an electron beam Eiji Yamaguchi, Yoshiyuki Osada, Hidetoshi Suzuki, Toshihiko Takeda, Aoji Isono +2 more 1997-08-05
5593335 Method of manufacturing an electron source Hidetoshi Suzuki, Yoshiyuki Osada, Ichiro Nomura, Takeo Ono, Hisaaki Kawade +9 more 1997-01-14
5478606 Method of manufacturing ink jet recording head Norio Ohkuma, Masashi Miyagawa, Genji Inada, Tamaki Sato 1995-12-26
5458254 Method for manufacturing liquid jet recording head Masashi Miyagawa, Norio Ohkuma 1995-10-17
5264730 Resin mold package structure of integrated circuit Toshio Matsuzaki, Nobuo Hirasawa 1993-11-23
5043231 Gadolinium-lutetium-gallium garnet crystal, process for its production and substrate for magneto-optical device made thereof Yasuto Miyazawa, Nobuhiro Kodama, Kouichi Koudu, Shin-ichi Hanita, Shigeyuki Kimura 1991-08-27
4994895 Hybrid integrated circuit package structure Toshio Matsuzaki 1991-02-19
4987002 Process for forming a crystalline diamond film Masakatu Sakamoto, Youichi Yaguchi, Toshiroh Kotaki 1991-01-22
4772513 Method for forming a hard carbon thin film on article and applications thereof Masakatsu Sakamoto, Shuhei Ohta, Shiro Iwakura, Kaoru Yamazaki, Yoichi Yaguchi +1 more 1988-09-20
4725345 Method for forming a hard carbon thin film on article and applications thereof Masakatsu Sakamoto, Shuhei Ohta, Shiro Iwakura, Kaoru Yamazaki, Yoichi Yaguchi +1 more 1988-02-16