YK

Yoshio Katayama

Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
Sharp Kabushiki Kaisha: 9 patents #1,853 of 10,731Top 20%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
PR Proterial: 2 patents #70 of 267Top 30%
MB Mitsubishi Fuso Truck And Bus: 1 patents #47 of 114Top 45%
AC Advics Co.: 1 patents #370 of 686Top 55%
Overall (All Time): #112,288 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
11819787 Water-treating ceramic filter unit Keiko Nakano, Toshitaka Ishizawa 2023-11-21
11712648 Water-treating ceramic filter module Keiko Nakano, Toshitaka Ishizawa 2023-08-01
11472718 Adsorption structure, adsorption structure unit, and method for manufacturing same Keiko Nakano, Toshitaka Ishizawa, Atsuhiro Noguchi 2022-10-18
10352746 Mass flow meter including organic-material covering layers Ryu Sasaki, Satoshi Takasugi 2019-07-16
7647150 Vehicle attitude control device based on stability factor 2010-01-12
7178953 Vehicle headlight optical axis control unit Takashi Ohsawa 2007-02-20
7165454 Ultrasonic sensor unit Kenji Hayashi, Koji Ohata 2007-01-23
7000476 Inclination angle measurement apparatus 2006-02-21
6714483 Inclination angle measurement apparatus Fumihiro Minami, Takashi Ohsawa 2004-03-30
6438474 Apparatus for controlling behavior of vehicle Hirohisa Tanaka, Kazuhiro Kato, Yoshihiro Watanabe 2002-08-20
6374162 Apparatus for controlling behavior of vehicle Hirohisa Tanaka, Kazuhiro Kato, Yoshihiro Watanabe 2002-04-16
5949198 Light-emission controlling apparatus Kenji Nakamura, Masahiro Ieda 1999-09-07
5916468 Electrically weldable pipe joint and production method thereof Saburo Akiyama, Nobuhiro Nishikata 1999-06-29
5909090 Light-emission controlling apparatus Kenji Nakamura, Masahiro Ieda 1999-06-01
5735583 Device for detecting failure of microcomputer in antilock controller Kazumi Yasuzumi, Masahiro Sakaguchi 1998-04-07
5648943 Disk recording/reproduction device of reduced thickness with driving mechanism for moving heads parallel to the disk face Yoshiyuki Omi, Seiichi Fujii, Sadao Uchiyama, Shigeki Tsuji, Masanobu Katsuki 1997-07-15
5471439 Magnetic head device with slidable and adjustable magnetic head Seiichi Fujii, Sadao Uchiyama, Ryouichi Soejima, Hitoshi Moori, Hideo Yoshida 1995-11-28
5246278 Wheel slip ratio correction apparatus Masato Yoshino 1993-09-21
5240313 Estimated vehicle speed detection apparatus for motorcycles Masato Yoshino 1993-08-31
5199770 Brake switch abnormality detection device Masato Yoshino 1993-04-06
5150298 Brake control device in an antilock brake system Hideaki Fujioka 1992-09-22
5005916 Antilock brake control system for a motorcycle Hideaki Fujioka 1991-04-09
4980831 Antilock control device Hirohisa Tanaka 1990-12-25
4879613 Cassette tape recorder for multiple cassette tapes Satoru Koizumi, Daisuke Teshima 1989-11-07
4843492 Automatic cassette tape recorder stop mechanism for use with a plurality of tapes Satoru Koizumi, Daisuke Teshima 1989-06-27