HH

Hiroyuki Hirano

Nissan Motor Co.: 46 patents #25 of 8,689Top 1%
Pioneer Electronic: 24 patents #26 of 1,840Top 2%
Tdk: 11 patents #551 of 3,796Top 15%
PE Pentax: 8 patents #212 of 761Top 30%
DE Denso: 6 patents #2,220 of 11,792Top 20%
NO Nippon Mitsubishi Oil: 6 patents #6 of 158Top 4%
SC Sekisui Chemical Co.: 6 patents #106 of 908Top 15%
MC Murata Manufacturing Co.: 5 patents #1,480 of 5,295Top 30%
AK Asahi Kogaku Kogyo K.K.: 4 patents #27 of 180Top 15%
AC Alcare Co.: 4 patents #2 of 47Top 5%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
MI Mitsuba: 2 patents #181 of 618Top 30%
NG Nihon Shinku Gijutsu: 1 patents #54 of 128Top 45%
ON Onkyo: 1 patents #80 of 170Top 50%
SA San-Apro: 1 patents #14 of 35Top 40%
HO Hoya: 1 patents #757 of 1,290Top 60%
SC Sekisui Techno Molding Co.: 1 patents #7 of 14Top 50%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
UL Ulvac: 1 patents #339 of 680Top 50%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
📍 Anjo, JP: #4 of 1,609 inventorsTop 1%
Overall (All Time): #8,031 of 4,157,543Top 1%
133
Patents All Time

Issued Patents All Time

Showing 126–133 of 133 patents

Patent #TitleCo-InventorsDate
4494942 Continuously variable V-belt transmission Sigeaki Yamamuro, Yoshiro Morimoto, Yoshikazu Tanaka 1985-01-22
4493068 Pick-up point dislocation detecting device in recording a disc player Ryuichi Naito 1985-01-08
4487302 Parking lock arrangement for continuously variable V-belt transmission Yoshiro Morimoto, Sigeaki Yamamuro, Yoshikazu Tanaka 1984-12-11
4484493 Cone pulley V-belt continuously variable transmission Sigeaki Yamamuro, Yoshikazu Tanaka, Yoshiro Morimoto 1984-11-27
4478105 Hydraulic control system for continuously variable V-belt transmission with hydrodynamic transmission unit Sigeaki Yamamuro, Yoshiro Morimoto, Yoshikazu Tanaka 1984-10-23
4328465 Tone control circuit utilizing variable gain amplifier Saburo Takaoka, Ryozi Higashi 1982-05-04
4284965 Tone control device Ryozi Higashi 1981-08-18
4271398 Tone control device Ryozi Higashi 1981-06-02