AH

Akira Hayakawa

Canon: 22 patents #2,832 of 19,416Top 15%
SC Sanken Electric Co.: 9 patents #34 of 315Top 15%
Brother Kogyo: 4 patents #1,445 of 2,767Top 55%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
MC Maspro Denkoh, Co.: 2 patents #4 of 23Top 20%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
MK Masprodenkoh Kabushikikaisha: 1 patents #19 of 39Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SC Semiconductor Technology Academic Research Center: 1 patents #98 of 254Top 40%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
📍 Niiza, JP: #7 of 316 inventorsTop 3%
Overall (All Time): #63,132 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDate
10598561 Rotational solid Nariyuki Kataoka, Hidetoshi HARIMA 2020-03-24
9748850 Switching power-supply with switching frequency correction Masaaki Shimada 2017-08-29
9742289 Integrated circuit and switching power-supply device Mitsutomo Yoshinaga 2017-08-22
9614448 Switching power-supply device Masaaki Shimada, Yoichi Terasawa 2017-04-04
9590615 Integrated circuit and switching power-supply device performing output control through switching operation Yoshimichi Tadamasa 2017-03-07
9564813 Switching power-supply device Masaaki Shimada 2017-02-07
9559600 Switched-mode power supply device Masaaki Shimada, Tatsuhiko Koga 2017-01-31
9525353 Switching power-supply device for performing control of output voltage switching operation Masaaki Shimada, Yoshimichi Tadamasa 2016-12-20
9490715 Switched-mode power supply device Masaaki Shimada 2016-11-08
9455639 Switched-mode power supply device Masaaki Shimada 2016-09-27
9141042 Image forming apparatus having misregistration control Tsuguhiro Yoshida, Masahiro Suzuki, Tatsuya Kinukawa 2015-09-22
9104317 Computer system and method of controlling I/O with respect to storage apparatus Takaki Nakamura, Keiichi Matsuzawa, Takayuki Fukatani 2015-08-11
7953359 Apparatus for heating an image formed on a recording material Shinsuke Kobayashi, Akira Kato, Kenichi Ogawa, Hisashi Nakahara, Tatsuo Nishiyama 2011-05-31
7766659 Series unit with moveable terminal(s) for connection of coaxial cables Masahiro Otsu, Hozumi Takeda, Tsuneyuki Inayoshi 2010-08-03
7515841 Image forming apparatus for preventing defective fixing of a toner image Akira Kato, Kenichi Ogawa, Hisashi Nakahara, Shinsuke Kobayashi, Yoshihiko Tanaka +1 more 2009-04-07
7257342 Image forming apparatus Masaru Tsukada, Taro Ishifune 2007-08-14
7227482 Complex band-pass filter for use in digital radio receiver and complex band-pass Δ-Σ AD modulator using the same Hao San, Haruo Kobayashi, Hiroki Wada, Hiroyuki Hagiwara, Yoshitaka Jingu +2 more 2007-06-05
7218873 Image generating apparatus Atsushi Iwasaki, Masaru Tsukada, Taro Ishifune 2007-05-15
7039472 Schedule execution managing apparatus and method Yuichiro Sugimoto 2006-05-02
7012496 Noise elimination device and method for installing the same Toshihiro Sugiura, Masahiro Otsu, Shigemitsu Toriyama, Junichi Inaguma, Kazuyoshi Nakayama 2006-03-14
6947676 Image forming apparatus and controlling method therefor determining state use of cartridge 2005-09-20
6839723 Information management system Yuichiro Sugimoto 2005-01-04
6809609 Device for preventing mixing of extrinsic noise and protector Junichi Shibata, Masatoshi Sugita 2004-10-26
6583389 Image heating apparatus, heater for heating image and manufacturing method thereof Ken Murooka, Nobukazu Adachi, Takeshi Niimura 2003-06-24
6377777 Fluorine-containing resin-coated pressure roller and heat-fixing device Kazuo Kishino, Yasumasa Ohtsuka, Toshihiko Ochiai, Masaaki Takahashi, Hideo Kawamoto +4 more 2002-04-23