HI

Hiroko Ishikawa

Brother Kogyo: 8 patents #992 of 2,767Top 40%
HC Hitachi Chemical Company: 8 patents #199 of 1,946Top 15%
TC Tokai Optical Co.: 1 patents #22 of 44Top 50%
📍 Ebeye: #250 of 4,528 inventorsTop 6%
Overall (All Time): #276,460 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
9360595 Antifog optical article and manufacturing method thereof Noboru Otani 2016-06-07
8970927 Image reading apparatus 2015-03-03
8928959 Image reading apparatus facilitating jam clear 2015-01-06
8727347 Sheet feeding apparatus 2014-05-20
8643889 Image reader Masayoshi Oosaki, Hiroshi Morisaki 2014-02-04
8411336 Image reader, image forming device having the same, and computer-readable storage medium for the same 2013-04-02
8284465 Image scanner, and method and computer readable medium therefor 2012-10-09
8184306 Operate light source of reading unit of a multifunction peripheral device according to valid instructive keys Nobuhiko Suzuki, Hirotsugu Takahata 2012-05-22
8085414 Image forming device configured to execute scan-to-memory and direct print functions when connected to an external device 2011-12-27
5626999 Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same Mikio Itagaki, Shigeru Hayashida, Megumi Matsui, Yoshii Morishita, Takayuki Akimoto 1997-05-06
5494767 Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same Mikio Itagaki, Shigeru Hayashida, Megumi Matsui, Yoshii Morishita, Takayuki Akimoto 1996-02-27
5403958 Electrophotographic member Yoshii Morishita, Yasushi Sugimoto, Shigeru Hayashida, Yoshiaki Noda, Shigeru Murakami +4 more 1995-04-04
5382687 Enamine derivatives Yoshii Morishita, Shigeru Hayashida, Yasushi Sugimoto, Hiroshi Kobayashi, Takaaki Sonoda 1995-01-17
5352834 Electrophotographic member Yoshii Morishita, Yasushi Sugimoto, Shigeru Hayashida, Yoshiaki Noda, Shigeru Murakami +4 more 1994-10-04
5304445 Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same Mikio Itagaki, Shigeru Hayashida, Megumi Matsui, Yoshii Morishita, Takayuki Akimoto 1994-04-19
5272030 Electrophotographic member comprising enamine derivatives Yoshii Morishita, Shigeru Hayashida, Yasushi Sugimoto, Hiroshi Kobayashi, Takaaki Sonoda 1993-12-21
5160487 Electrophotographic member Yoshii Morishita, Yasushi Sugimoto, Shigeru Hayashida, Yoshiaki Noda, Shigeru Murakami +4 more 1992-11-03