KO

Keiji Okumura

FC Fuji Electric Co.: 39 patents #25 of 2,643Top 1%
Rohm Co.: 23 patents #78 of 2,292Top 4%
KS Kyocera Document Solutions: 9 patents #363 of 1,545Top 25%
KM Kyocera Mita: 8 patents #51 of 763Top 7%
MC Mita Industrial Co.: 5 patents #283 of 891Top 35%
UA University Of Arkansas: 1 patents #209 of 525Top 40%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
OS Olympus Medical Systems: 1 patents #501 of 833Top 65%
Overall (All Time): #19,549 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 51–75 of 86 patents

Patent #TitleCo-InventorsDate
9494910 Image forming apparatus comprising board holding member configured to have surface to which board is fixed Shinobu Ohata 2016-11-15
9461021 Electronic circuit comprising PN junction and schottky barrier diodes 2016-10-04
9454129 Image forming apparatus composing one face of exterior cover by partly overlapping cover boards 2016-09-27
9442452 Image forming apparatus comprising connecting mechanism configured to electrically connect high-voltage board and unit Shinobu Ohata 2016-09-13
9434560 Sheet feeder and image forming apparatus Seiji Okada 2016-09-06
9379634 Semiconductor device Takukazu Otsuka, Masao Saito 2016-06-28
9245956 Electronic circuit comprising unipolar and bipolar devices 2016-01-26
9207620 Combined units and image forming system Terumitsu Noso 2015-12-08
9142542 Semiconductor device with protective diode 2015-09-22
9136378 Semiconductor device and manufacturing method for same Mineo Miura, Katsuhisa Nagao, Shuhei Mitani 2015-09-15
9099331 Semiconductor device 2015-08-04
8995030 Image forming apparatus Masayuki Kakuta 2015-03-31
8982204 Inspection management apparatus, system, and method, and computer readable recording medium Takeshi Nishiyama, Isao TATESHITA, Takaharu HOSOI 2015-03-17
8970020 Semiconductor device 2015-03-03
8971044 Semiconductor device Takukazu Otsuka, Masao Saito 2015-03-03
8844921 Sheet post-processing device, and image forming apparatus including sheet post-processing device 2014-09-30
8608150 Sheet post-processing apparatus with branched holding path 2013-12-17
8592986 High melting point soldering layer alloyed by transient liquid phase and fabrication method for the same, and semiconductor device Takukazu Otsuka, Brian Lynn Rowden 2013-11-26
8513806 Laminated high melting point soldering layer formed by TLP bonding and fabrication method for the same, and semiconductor device Takukazu Otsuka 2013-08-20
8208260 Semiconductor device Takukazu Otsuka, Masao Saito 2012-06-26
8152159 Sheet feeding device and image forming apparatus including a controlled elevator mechanism 2012-04-10
7938396 Sheet feeding device and image forming apparatus including sheet feeding device with a sheet feeding preparation period Yoshio Sugishima, Yoshihiro Yamaguchi 2011-05-10
7883084 Sheet feeding device and image forming apparatus with warm air unit for blowing air toward upper face of sheet stack Yoshihiro Yamaguchi, Yoshio Sugishima, Sachio Izumichi 2011-02-08
7864533 Semiconductor device Takukazu Otsuka, Masao Saito 2011-01-04
7823876 Sheet feeding device and image forming apparatus including sheet feeding device with rear end detection portion Yoshio Sugishima, Masahiko Miyazaki, Seiichi Shirasaki, Yasunori Ueno, Sachio Izumichi 2010-11-02