HI

Hirokazu Ishii

Ricoh Company: 51 patents #217 of 9,818Top 3%
Canon: 27 patents #2,142 of 19,416Top 15%
MA Maxell: 6 patents #102 of 437Top 25%
Samsung: 4 patents #25,854 of 75,807Top 35%
KP Kabushiki Kaisha Pilot: 2 patents #49 of 160Top 35%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
JA Japan Aerospace Exploration Agency: 1 patents #160 of 546Top 30%
HC Hitachi Computer Peripherals Co.: 1 patents #41 of 133Top 35%
Overall (All Time): #16,679 of 4,157,543Top 1%
93
Patents All Time

Issued Patents All Time

Showing 51–75 of 93 patents

Patent #TitleCo-InventorsDate
9277150 Image pickup apparatus and camera system capable of improving calculation accuracy of defocus amount 2016-03-01
9195179 Transfer device and image forming apparatus including same Yasunobu Shimizu, Shinya Tanaka, Hiromi Ogiyama, Keigo Nakamura 2015-11-24
9164462 Image forming apparatus Keigo Nakamura, Yasunobu Shimizu, Hiromi Ogiyama, Shinya Tanaka 2015-10-20
9160930 Lens driving control apparatus and lens apparatus 2015-10-13
9134656 Image forming apparatus Takehide Mizutani, Tsutomu Kato, Yasufumi Takahashi, Shinya Tanaka, Osamu Ichihashi +1 more 2015-09-15
9122207 Image forming apparatus and transfer bias application device therein Keigo Nakamura, Yasunobu Shimizu, Hiromi Ogiyama, Shinya Tanaka 2015-09-01
9075350 Image forming apparatus to maintain adequate transferability of toner to a recording medium Shinya Tanaka, Yasunobu Shimizu, Keigo Nakamura 2015-07-07
9060119 Image capturing apparatus and control method for image capturing apparatus 2015-06-16
9046830 Image forming apparatus Shinya Tanaka, Yasunobu Shimizu, Takehide Mizutani, Keigo Nakamura 2015-06-02
9025821 Image processing apparatus, image sensing apparatus, control method, and recording medium 2015-05-05
8965227 Image forming apparatus including forced toner consumption control Takehide Mizutani, Shinya Tanaka, Yasunobu Shimizu, Keigo Nakamura 2015-02-24
8934822 Transfer device and image forming apparatus Ryuuichi Mimbu, Shinya Tanaka, Yasunobu Shimizu, Keigo Nakamura, Hiromi Ogiyama +1 more 2015-01-13
8797619 Image processing apparatus and image processing method with editing Hideyuki Kido 2014-08-05
8787806 Image forming apparatus Keigo Nakamura, Yasunobu Shimizu, Hiromi Ogiyama, Shinya Tanaka 2014-07-22
8611738 Image capturing apparatus 2013-12-17
8466992 Image processing apparatus, image processing method, and program 2013-06-18
8396386 Image forming apparatus which controls a transfer bias to a leading edge of a recording medium 2013-03-12
8290411 Image forming apparatus having a pre-transfer neutralizing device to reduce an electric potential to facilitate separation 2012-10-16
8264740 Image printing apparatus and method of controlling the same Shigeki Hachiro, Kazuya Imafuku, Naomi Nakamura 2012-09-11
8037268 Storage system and operation method thereof Hirokazu Aikawa, Kazuhiro Usami 2011-10-11
7929175 Image printing apparatus and method of controlling the same Shigeki Hachiro, Kazuya Imafuku, Naomi Nakamura 2011-04-19
7907291 Image supply device and control method of the same and printing system Masao Kato, Futoshi Sasaki, Nobuo Onuma, Tomoyuki Watanabe, Takuya Matsuno +1 more 2011-03-15
7813685 Image forming apparatus and brush member used in the same 2010-10-12
7769310 Image forming apparatus with improved separability of transfer material Satoshi Takano, Hiroshi Saitoh, Ryoh Tanoue, Itaru Matsuda, Yuji Suzuki +3 more 2010-08-03
7474430 Conveyance of information relating to printer capability Nobuo Onuma, Tetsuya Kawanabe, Tetsuhito Ikeda 2009-01-06