HA

Hirokazu Arai

KC Koyo Seiko Co.: 18 patents #10 of 749Top 2%
JT Jtekt: 4 patents #427 of 1,969Top 25%
KC Koyo Sealing Techno Co.: 3 patents #3 of 34Top 9%
JC Japan Cash Machine Co.: 3 patents #27 of 83Top 35%
SC Shin-Kobe Electric Machinery Co.: 2 patents #43 of 199Top 25%
MC Media Global Links Co.: 2 patents #3 of 11Top 30%
Pioneer: 1 patents #1,107 of 1,730Top 65%
SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
AC Asahi Organic Chemicals Industry Co.: 1 patents #21 of 67Top 35%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
MC Max Co.: 1 patents #201 of 321Top 65%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NT Nec Lcd Technologies: 1 patents #192 of 305Top 65%
Overall (All Time): #105,301 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
12406545 Paper sheet transport system and restoration method Kazuo Nakatake, Masaaki Ichikawa 2025-09-02
12269704 Transport mechanism and air flow control apparatus Masaaki Ichikawa 2025-04-08
11823518 Information processing device and information processing system Toshitaka NISHIZAKI, Masaaki Ichikawa 2023-11-21
10982585 Apparatus and method for cooling engine Tetsuma Takeda 2021-04-20
10239525 Driving support information generation device, driving support information generation method, driving support device, and driving support method Mitsuo Shimotani, Takehito Sogabe 2019-03-26
10104451 IP uncompressed video encoder and decoder Kazunori Nakamura, Kazuki Narita, Sho HONGO, Koji Nakao, Hiroyuki TERASAKI +2 more 2018-10-16
9794650 IP uncompressed video encoder and decoder Kazunori Nakamura, Kazuki Narita, Sho HONGO, Koji Nakao, Hiroyuki TERASAKI +2 more 2017-10-17
8962734 Phenol resin molding material and pulley molded from said molding material Keiji Asai 2015-02-24
8336412 Electric power steering apparatus Yasuhiro Ishii, Osamu Sano 2012-12-25
7728071 Gear for electric power steering device Kenichi Shinohara, Takanori Kurokawa 2010-06-01
7475612 Resin gear for electric power steering apparatus and electric power steering apparatus equipped with the same Toshihiko Kaneiwa, Masamitsu Ohtsubo, Takanori Kurokawa 2009-01-13
7452926 Resin pulley formed of a resin composition having a phenol resin, an inorganic powder , a reinforcing fiber, and a lubricant Takeshi Tsuda, Hiroto Oda 2008-11-18
7215110 Seal ring, sealing apparatus and bearing apparatus Kazutoshi Toda, Minoru Sentoku, Fumiaki Kasahara, Shinichi Obayashi 2007-05-08
6987641 Protection of electronic apparatus against erroneous operations by stopping power supply Hirofumi Matsumura 2006-01-17
6767491 Electric power steering apparatus Takanori Kurokawa, Shinichi Tahara, Syouji Sawai 2004-07-27
6717647 Liquid crystal display panel sealing apparatus having a plurality of pressurizing actuators Fumio Ono, Eiichirou Aoki 2004-04-06
6716907 Phenolic molding composition Keiji Asai 2004-04-06
6626261 Electric power steering apparatus Takanori Kurokawa 2003-09-30
6622814 Electric power steering device Takanori Kurokawa, Akihiko Shiina, Masashi Kuze, Mitsuharu Minami, Hideo Matsubara 2003-09-23
6557663 Electric power steering apparatus Takanori Kurokawa, Shinichi Tahara, Syouji Sawai 2003-05-06
6527642 Power transmission coupling and power transmission apparatus Takeshi Tsuda, Junya Ooitsu 2003-03-04
6520683 Seal ring, sealing device and rolling bearing including the same Kazutoshi Toda, Minoru Sentoku, Fumiaki Kasahara, Tomomitsu Tamura 2003-02-18
6516915 Electric power steering device Takanori Kurokawa 2003-02-11
6499885 Seal ring, sealing apparatus and bearing apparatus Kazutoshi Toda, Minoru Sentoku, Fumiaki Kasahara, Shinichi Obayashi 2002-12-31
6425455 Electric power steering apparatus Takanori Kurokawa 2002-07-30