YS

Yoshiaki Sakamoto

Fujitsu Limited: 33 patents #645 of 24,456Top 3%
FU Fujifilm: 5 patents #1,507 of 4,519Top 35%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
HC Honda Tsushin Kogyo Co.: 1 patents #48 of 84Top 60%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #61,068 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
6786585 Inkjet head Tomohisa Shingai, Shuji Koike 2004-09-07
6769177 Method of producing ink-jet recording head Shuji Koike, Tomohisa Shingai, Seigen Otani, Toshihiko Osada, Kazuaki Kurihara 2004-08-03
6719410 Ink jet head and manufacturing method thereof Tomohisa Shingai, Shuji Koike 2004-04-13
6715861 Ink jet head and printing apparatus Shuji Koike, Tomohisa Shingai 2004-04-06
6682180 Ink jet head and printing apparatus Shuji Koike, Tomohisa Shingai, Toshihiko Osada, Seigen Otani 2004-01-27
6672713 Ink-jet recording head and method of producing the same Shuji Koike, Tomohisa Shingai, Seigen Otani, Toshihiko Osada 2004-01-06
6637870 Ink jet head, method of manufacturing ink jet head, and printer Shuji Koike, Tomohisa Shingai 2003-10-28
6623110 Ink jet recording head and production methods therefor and printer apparatus therewith Shuji Koike, Tomohisa Shingai 2003-09-23
6523942 Inkjet head having plural ink supply channels between ink chambers and each pressure chamber Shuji Koike, Tomohisa Mikami 2003-02-25
6350019 Ink jet head and ink jet printer Tomohisa Shingai, Koichi Oikawa, Shuji Koike 2002-02-26
6040517 Rhythmic tone generator 2000-03-21
6008720 Portable timer alarm device with ear attachment Kanji Hongu 1999-12-28
5881326 Shutter apparatus and camera apparatus 1999-03-09
5686809 Combination solar and external battery powered camera battery charger Tsutomu Kimura, Yoshihiro Fujita, Kenta Namioka, Yasuhiro Nishitani, Shoji Inaba 1997-11-11
5617002 Method of and apparatus for charging nonaqueous electrolytic battery 1997-04-01
5124793 Sound multiplex signal encoder circuit with controlled AFC operations 1992-06-23
4991004 Film previewer which simultaneously displays a 110 and a 135 frame Ryoichi Hayashi 1991-02-05
4981763 Electrochemical single battery and method for producing the same Kenro Mitsuda, Toshiaki Murahashi, Tatsuo Mitsunaga 1991-01-01
4940951 Phase lock recovery apparatus for phase locked loop circuit 1990-07-10
4935809 Color film analyzing method and apparatus Ryoichi Hayashi, Kiichiro Sakamoto 1990-06-19
4436831 Calcined member for arc-extinguishing chambers Shizutaka Nishizako, Isao Ishii 1984-03-13
4412010 Arc resistant insulator Isao Ishii, Tadaki Murakami, Yoshikazu Utsumi, Tatsuharu Nakamura, Hiroshi Takayanagi 1983-10-25