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 26–33 of 33 patents

Patent #TitleCo-InventorsDate
6394220 Electric power steering device Takanori Kurokawa 2002-05-28
6106422 Power transmission member and material thereof containing carbon fiber, aromatic polyamide fiber and graphite with phenol resin 2000-08-22
5941704 Crown cage for ball bearing and dental hand piece including the same Atsushi Yao 1999-08-24
5941440 Driver of staple hammer Hiroaki Ohmae, Nobuo Kishi, Katsuhisa Yata, Makoto Abe 1999-08-24
5797819 Resin pulley 1998-08-25
5356535 Oil tank Hiroshi Ueno, Yoshiaki Hamasaki, Akihiko Shiina, Masuyoshi Uchida, Seiji Fujioka 1994-10-18
5280868 Reservoir supporting structure Hiroshi Ueno, Yoshiaki Hamasaki, Akihiko Shiina 1994-01-25
5022279 Rack and pinion steering device Hiroshi Ueno, Shoji Hatabu 1991-06-11