YY

Yasuhiro Yamada

SO Sony: 27 patents #1,364 of 25,231Top 6%
Canon: 23 patents #2,685 of 19,416Top 15%
VJ Victor Company Of Japan: 20 patents #40 of 1,489Top 3%
TO Toyota: 10 patents #2,889 of 26,838Top 15%
TA Toyo Aluminium: 9 patents #5 of 212Top 3%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
NE Ntt Electronics: 4 patents #39 of 358Top 15%
AC Ajinomoto Co.: 3 patents #592 of 2,190Top 30%
CH Chuo Hatsujo: 3 patents #27 of 122Top 25%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HS Hitachi Video And Information Systems: 2 patents #78 of 269Top 30%
HS Hitachi Communication Systems: 2 patents #16 of 83Top 20%
DE Denso: 2 patents #4,986 of 11,792Top 45%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
NC Nippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
KA Kaneka: 1 patents #886 of 1,525Top 60%
OJ Oclaro Japan: 1 patents #59 of 108Top 55%
OJ Opnext Japan: 1 patents #100 of 185Top 55%
OC Otsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
HO Hoya: 1 patents #757 of 1,290Top 60%
TK Toyo Aluminium K.K.: 1 patents #6 of 44Top 15%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
KC Koa Oil Company: 1 patents #17 of 38Top 45%
MC Maruzen Petrochemical Co.: 1 patents #83 of 174Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
📍 Kasai, JP: #9 of 5,842 inventorsTop 1%
Overall (All Time): #8,985 of 4,157,543Top 1%
126
Patents All Time

Issued Patents All Time

Showing 101–125 of 126 patents

Patent #TitleCo-InventorsDate
5008764 Rotary head type digital signal reproducing apparatus with slow tape speed mode and improved tracking control Shiro Yoshida, Shoji Ueno 1991-04-16
4997236 Antiskid brake control system Yasuo Naito, Akihiko Mori 1991-03-05
4943800 Intrusion detection system using three pyroelectric sensors Masami Ikeda, Mahito Tuji, Akimasa Tamano, Yasunari Mizoguchi 1990-07-24
4881900 Sensing display apparatus of image pattern Mikiharu Matsuoka, Yasuko Miyazaki, Takashi Kanemoto, Hirohiko Katayama, Tamao Ikuta 1989-11-21
4873071 Graphite structures and method for production thereof Takeshi Imamura, Hidemasa Honda, Masaki Fujii, Masanori Minohata 1989-10-10
4868827 Digital data processing system Kazuya Yamada, Kazunori Nishikawa, Koji Tanaka 1989-09-19
4866654 Digital multiplying circuit 1989-09-12
4839755 Rotary head type digital signal reproducing apparatus with different modes and tracking control Shoji Ueno, Shiro Yoshida 1989-06-13
4837641 Rotary head type digital signal recording and reproducing apparatus Takaro Mori 1989-06-06
4835629 Code error correcting circuit Shoji Ueno, Yasuo Inoue 1989-05-30
4818449 Process to prevent crack formation in the production of carbon fibers Takeshi Imamura, Hidemasa Honda, Masatoshi Tsuchitani, Ryoichi Nakajima 1989-04-04
4811128 Digital signal recording and reproducing apparatus having rotary magnetic heads Tsuyoshi Ono, Kazuo Hikawa, Atsushi Hayami, Yasuo Inoue, Fumiaki Ono 1989-03-07
4809093 Apparatus for selectively controlling magnetic tape recorder's muting operation in response to detection of errors in the reproduced signal by one of two heads Makoto Hamabe 1989-02-28
4809275 Parity signal generating circuit Yasuo Inoue 1989-02-28
4742329 Digital/analog converter Masanori Kajitani 1988-05-03
4644416 Method for recording servo control signals on a magnetic disc 1987-02-17
4606808 Method for the preparation of pitches for spinning carbon fibers Takeshi Imamura, Masao Shibata, Seiji Arita, Hidemasa Honda 1986-08-19
4590055 Pitch-based carbon fibers and pitch compositions and precursor fibers therefor Takeshi Imamura, Hidemasa Honda, Toru Sawaki, Hideharu Sasaki 1986-05-20
4583225 Reed-Solomon code generator Harukuni Kobari, Hiroyuki Saito, Kohbun Sakagami, Kaoru Kobayashi 1986-04-15
4504960 Data reading apparatus for data transmission 1985-03-12
4499507 Data reproducing apparatus for reproducing digital data recorded on multi-tracks Takaro Mori 1985-02-12
4445216 System for defeating erroneous correction in a digital signal reproducing apparatus Harukuni Kobari, Susumu Suzuki, Chitoshi Hibino 1984-04-24
4416010 Double error correcting system in digital signal reproducing apparatus Chitoshi Hibino, Harukuni Kobari, Susumu Suzuki 1983-11-15
4371270 Block signal forming digital processor with error correction 1983-02-01
4333160 Memory control system Harukuni Kobari, Susumu Suzuki, Chitoshi Hibino 1982-06-01