AT

Akihiro Takeuchi

Sumitomo Electric Industries: 24 patents #740 of 21,551Top 4%
SI Sumitomo Rubber Industries: 12 patents #153 of 1,637Top 10%
JT Jtekt: 9 patents #162 of 1,969Top 9%
TL Toyota Central R&D Labs: 4 patents #276 of 1,657Top 20%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
MC Murata Manufacturing Co.: 3 patents #2,166 of 5,295Top 45%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
SC Shinko Electric Industries Co.: 1 patents #437 of 723Top 65%
TC Toshiba Carrier: 1 patents #69 of 163Top 45%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Overall (All Time): #38,814 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
5517311 Optical 3D measuring apparatus used for measuring chamber volume of a cylinder head and chamber volume correcting method for a cylinder head of an engine Tetsuhiko Nomura, Kazuhito Shibata, Toshihiko Tsukada, Osamu Ozeki, Shin Yamamoto 1996-05-14
5319467 Video tape recorder for recording a video signal with an additional time-base reference signal Masaaki Kobayashi 1994-06-07
5299003 Signal processing apparatus for changing the frequency characteristics of an input signal Atsuo Ochi, Masayuki Yoneyama, Yasuo Hamamoto, Masaaki Kobayashi, Haruo Ohta 1994-03-29
5258879 Tracking error detection circuit of magnetic recording and reproduction apparatus for determining tracking error based on pilot signals recorded on a recording meedium Masafumi Shimotashiro, Kiyokazu Hashimoto, Makoto Gotou, Haruo Isaka, Kei Ichikawa +2 more 1993-11-02
5172023 Ultrasonic motor Yasuaki Kawai, Kiyokazu Asai 1992-12-15
5131446 Pneumatic radial tire for heavy loads, including four metal cord belt plies Tetsuhiro Fukumoto, Kiyoshi Ochiai, Midori Inaoka 1992-07-21
5115253 Method for driving and controlling a thermal printer Hideki Yorozu 1992-05-19
5099899 Pneumatic radial tire for heavy load vehicles having increasing circumferential groove amplitude with wear 1992-03-31
5073826 Video signal transmission apparatus for frames with an odd number of lines Tsutomu Muraji, Atsuo Ochi 1991-12-17
5045939 Apparatus utilizing motion detector for converting a maximum motion portion of a wide screen tv signal to a normal screen tv signal Mutsuyuki Okayama, Atsuo Ochi 1991-09-03
4979046 Magnetic recording and reproducing apparatus for recording upper-sidebond-eliminated FM signal Shinichi Aki, Masaaki Kobayashi, Tsutomu Muraji 1990-12-18
4955416 Pneumatic radial tire carcass profile Kouichi Horiuchi, Kiyoshi Ochiai, Hideaki Yoshikawa 1990-09-11
4955415 Pneumatic radial tire with groove platforms to prevent stone entrapment Toshio Koyama 1990-09-11
4873583 Magnetic tape recording/reproducing apparatus Masaaki Kobayashi, Kazuhiro Yamanishi, Yoshitomi Nagaoka 1989-10-10
4864421 System for connecting a video signal recording/reproducing apparatus and a television receiver Yoshihiro Morioka, Masaaki Kobayashi, Yoshitomi Nagaoka, Noriaki Gentsu, Sakon Nagasaki 1989-09-05
4864424 Video signal recording/reproducing apparatus Atsuo Ochi, Masaaki Kobayashi, Kazuhiro Yamanishi 1989-09-05
4854358 Tread pattern for a heavy load pneumatic tire which changes from a block pattern to a rib pattern with wear 1989-08-08
4812783 Phase locked loop circuit with quickly recoverable stability Masahiro Honjo, Atsuo Ochi, Shinichi Aki, Yukio Nakagawa, Masaaki Kobayashi 1989-03-14
4811119 Apparatus for high-density minimal crosstalk recording and reproducing of terminance and chrominance signals using a magnetic tape Masaaki Kobayashi, Kazuhiro Yamanishi, Sukeichi Miki, Yoshitomi Nagaoka 1989-03-07
4807050 Video signal recording/reproducing apparatus Masaaki Kobayashi, Kazuhiro Yamanishi, Atsuo Ochi 1989-02-21
4761690 Video tape recorder with particular format chrominance and luminance information Kazuhiro Yamanishi, Masaaki Kobayashi, Atsuo Ochi, Yoshitomi Nagaoka 1988-08-02
D294812 Automobile tire 1988-03-22
4732195 Radial tire tread for truck or bus 1988-03-22
4703788 Tire tread with zig-zag grooves with projections in groove Haruo Kusube, Kiyoshi Ochiai, Tetsuhiro Fukumoto 1987-11-03
D292078 Automobile tire 1987-09-29