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 101–125 of 133 patents

Patent #TitleCo-InventorsDate
4651776 Fluid pressure control valve for hydraulic actuator Masaki Nakano, Sigeaki Yamamuro, Keiju Abo, Haruyoshi Kumura 1987-03-24
4616530 Hydraulic control system for automatic transmission such as a continuously variable transmission Yoshikazu Tanaka, Haruyoshi Kumura, Keiju Abo, Sigeaki Yamamuro 1986-10-14
4613963 Tracking-servo device 1986-09-23
4603602 Method of controlling continuously variable transmission Yoshikazu Tanaka, Haruyoshi Kumura, Keiju Abo, Sigeaki Yamamuro 1986-08-05
4597308 Method and apparatus for controlling reduction ratio of continuously variable transmission Yoshikazu Tanaka, Sigeaki Yamamuro, Keiju Abo, Haruyoshi Kumura, Yoshiro Morimoto 1986-07-01
4590561 Method and apparatus for controlling reduction ratio of continuously variable transmission with accelerator pedal displacement speed compensation Keiju Abo, Haruyoshi Kumura, Yoshikazu Tanaka, Sigeaki Yamamuro, Yoshiro Morimoto 1986-05-20
4589071 Method and apparatus for controlling reduction ratio of continuously variable transmission with acceleration compensation Sigeaki Yamamuro, Keiju Abo, Yoshikazu Tanaka, Haruyoshi Kumura, Yoshiro Morimoto 1986-05-13
4584909 Hydraulic control system for continuously variable V-belt transmission Keiju Abo, Haruyoshi Kumura, Yoshikazu Tanaka, Sigeaki Yamamuro 1986-04-29
4583627 Vehicle/engine operational parameter responsive clutch control Haruyoshi Kumura, Sigeaki Yamamuro, Yoshikazu Tanaka, Keiju Abo 1986-04-22
4579021 Method and apparatus for controlling line pressure in continuously variable transmission Sigeaki Yamamuro, Keiju Abo, Yoshikazu Tanaka, Haruyoshi Kumura, Yoshiro Morimoto 1986-04-01
4576265 Control system for hydraulic automatic clutch Haruyoshi Kumura, Yoshikazu Tanaka, Keiju Abo, Sigeaki Yamamuro 1986-03-18
4566354 Method and apparatus for controlling reduction ratio of continuously variable transmission with engine coolant temperature compensation Haruyoshi Kumura, Keiju Abo, Yoshikazu Tanaka, Sigeaki Yamamuro, Yoshiro Morimoto 1986-01-28
4557706 Control system for continuously variable V-belt transmission Yoshikazu Tanaka, Sigeaki Yamamuro, Keiju Abo, Haruyoshi Kumura, Yoshiro Morimoto 1985-12-10
4545265 Hydraulic control system for continuously variable V-belt transmission Keiju Abo, Sigeaki Yamamuro, Yoshikazu Tanaka, Haruyoshi Kumura 1985-10-08
4545003 Pick-up device positioning arrangement in an information disc player Toshihiko Kurihara, Taichi Akiba, Yositsugu Araki 1985-10-01
4544872 Tracking servo control system for an information read-out system Keiichi Matsumoto 1985-10-01
4542665 Control system for continuously variable transmission with space saving automatic clutch control Sigeaki Yamamuro, Haruyoshi Kumura, Yoshikazu Tanaka, Keiju Abo 1985-09-24
4543077 Method and apparatus for controlling continuously variable V-belt transmission Sigeaki Yamamuro, Yoshiro Morimoto, Yoshikazu Tanaka 1985-09-24
4536171 Method and apparatus for controlling continuously variable transmission Yoshikazu Tanaka, Keiju Abo, Haruyoshi Kumura, Sigeaki Yamamuro, Yoshiro Morimoto 1985-08-20
4533340 Hydraulic control system for continuously variable V-belt transmission Keiju Abo, Sigeaki Yamamuro, Yoshikazu Tanaka, Haruyoshi Kumura 1985-08-06
4526557 Method and apparatus for controlling a continuously variable transmission Yoshikazu Tanaka, Keiju Abo, Haruyoshi Kumura, Sigeaki Yamamuro, Yoshiro Morimoto 1985-07-02
4521568 Sequentially produced multilayer acrylic resin composition Kyoichiro Mori 1985-06-04
4519790 Hydraulic control system for continuously variable V-belt transmission Sigeaki Yamamuro, Yoshiro Morimoto, Yoshikazu Tanaka 1985-05-28
4512751 Method and system for controlling continuously variable v-belt transmission Yoshikazu Tanaka, Sigeaki Yamamuro, Yoshiro Morimoto 1985-04-23
4510822 Continuously variable V-belt transmission including hydrodynamic transmission unit with lock-up means Sigeaki Yamamuro, Yoshiro Morimoto, Yoshikazu Tanaka 1985-04-16