HK

Hiroshi Katakura

KT Kabushiki Kaisha Toshiba: 16 patents #1,863 of 21,451Top 9%
TK Toshiba Tec Kabushiki Kaisha: 16 patents #174 of 1,664Top 15%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
KC Konishiroku Photo Industry Co.: 4 patents #209 of 894Top 25%
Overall (All Time): #173,078 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
10691047 Image forming apparatus and image forming method for processing different fixing temperatures of different toners 2020-06-23
10481534 Image forming apparatus 2019-11-19
10423102 Image forming apparatus and image forming method for processing different fixing temperatures of different toners 2019-09-24
10018946 Fixing device that fixes images of decolorable and non-decolorable materials 2018-07-10
9994055 Image decoloring apparatus 2018-06-12
9832328 Character recognition apparatus and character recognition method Naomi Nakane, Setsuo Takada, Noboru Furuyama, Yoshiaki Okano, Masaya Tanaka +3 more 2017-11-28
9731532 Image decoloring apparatus 2017-08-15
9625863 Image forming apparatus and control method comprising heating modes 2017-04-18
9594333 Fixing device that fixes images of decolorable and non-decolorable materials 2017-03-14
9452628 Image decoloring apparatus 2016-09-27
9285731 Fixing device that fixes images of decolorable and non-decolorable materials 2016-03-15
9158246 Image forming apparatus having multiple medium paths to a fixing unit 2015-10-13
9134685 Image forming apparatus and image forming method 2015-09-15
8873987 Image forming apparatus, control method, and recording medium Taizo Nozawa, Yukio Futamata, Noboru Furuyama, Satoshi Itaya, Setsuo Takada 2014-10-28
8737860 Image forming apparatus and image forming method 2014-05-27
8693937 Fixing device provided with pressure belt Yukio Futamata 2014-04-08
8338864 Semiconductor device 2012-12-25
7203714 Logic circuit Yasuhiko Nakashima 2007-04-10
6044034 Multiport memory having plurality of groups of bit lines 2000-03-28
5231345 Semiconductor integrated circuit device having a test circuit Makoto Yoshida, Masayuki Kokado 1993-07-27
4511237 Electrophotographic reproducing machine Shun Kawata, Isao Nosaka 1985-04-16
4361397 Cleaning apparatus for an electrostatic recording machine Tomio Arai 1982-11-30
4350328 Sheet feeding apparatus Mitsuru Nagoshi 1982-09-21
4298278 Device for detachably attaching a master sheet to a drum Takashi Tamura 1981-11-03