Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yasuhiro Yamada — 126 Patents

Sony: 27 patents #1,375 of 25,231Top 6%
Canon: 23 patents #2,702 of 19,416Top 15%
VJVictor Company Of Japan: 20 patents #40 of 1,489Top 3%
Toyota: 10 patents #2,931 of 26,838Top 15%
TAToyo Aluminium: 9 patents #5 of 212Top 3%
Panasonic: 8 patents #3,332 of 21,108Top 20%
NENtt Electronics: 4 patents #39 of 358Top 15%
ACAjinomoto Co.: 3 patents #592 of 2,190Top 30%
CHChuo Hatsujo: 3 patents #27 of 122Top 25%
Hitachi: 3 patents #10,718 of 28,497Top 40%
SCSanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
HSHitachi Communication Systems: 2 patents #16 of 83Top 20%
Denso: 2 patents #4,986 of 11,792Top 45%
HSHitachi Video And Information Systems: 2 patents #78 of 269Top 30%
NCNippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
OJOclaro Japan: 1 patents #59 of 108Top 55%
OJOpnext Japan: 1 patents #100 of 185Top 55%
OCOtsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
TKTanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
ATAgency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
TTThe University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
TKToyo Aluminium K.K.: 1 patents #6 of 44Top 15%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
ACAsahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
HOHoya: 1 patents #757 of 1,290Top 60%
KAKaneka: 1 patents #886 of 1,525Top 60%
KSKawasaki Steel: 1 patents #889 of 1,922Top 50%
KCKoa Oil Company: 1 patents #17 of 38Top 45%
MCMaruzen Petrochemical Co.: 1 patents #83 of 174Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Kasai, JP: #9 of 5,842 inventorsTop 1%
Overall (All Time): #8,987 of 4,157,543Top 1%
126 Patents All Time
Yasuhiro Yamada has been granted 126 US patents while listed as an inventor at Sony. The first was granted in 1980 and the most recent in December 2024. Yasuhiro Yamada ranks #8,987 of 4,157,543 US inventors in our database (top 0.22%). Patent records list Yasuhiro Yamada in Kasai, JP.

Issued Patents All Time

Showing 1–25 of 126 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12162768 Carbon matter-containing material production method, carbon matter-containing material, and soluble organic-inorganic composite Masatoshi Murata, Makoto Saito, Satoshi Sato, Syun Gohda, Hironobu Ono 2024-12-10
12126274 Bidirectional switch, electrical device, and multi-level inverter Yusuke Kinoshita, Takashi Ichiryu, Masanori Nomura, Hidetoshi Ishida 2024-10-22
11605715 Bidirectional switch element Masanori Nomura, Hiroaki Ueno, Yusuke Kinoshita, Hidetoshi Ishida 2023-03-14
11595038 Control system, switch system, power converter, method for controlling bidirectional switch element, and program Yusuke Kinoshita, Hidekazu Umeda 2023-02-28
11519901 Method for screening for cancer therapeutic agent Katsunori SEMI, Knut Woltjen, Yutaka MATSUDA 2022-12-06
11257733 Semiconductor device including heat-dissipating metal multilayer having different thermal conductivity, and method for manufacturing same Takashi Ichiryu, Masanori Nomura, Yusuke Kinoshita, Hidetoshi Ishida 2022-02-22
11062981 Bidirectional switch and bidirectional switch device including the switch Yusuke Kinoshita, Takashi Ichiryu, Hidekazu Umeda 2021-07-13
10397579 Sampling rate converter Yuichiro Koike 2019-08-27
10379303 Optical module and method for aligning optical module Naohiko Baba, Hiroshi Yamamoto, Tomonao Kikuchi 2019-08-13
9859315 Radiation image-pickup device and radiation image-pickup display system Makoto Takatoku 2018-01-02 $662,000
9786712 Radiation image pickup unit and radiation image pickup display system Shinji Fujimoto, Hironori Kikkawa, Michiru Senda 2017-10-10 $331,000
9608120 Image pickup unit and image pickup display system 2017-03-28 $381,000
9583608 Nitride semiconductor device and method for manufacturing nitride semiconductor device Yoshiharu Anda, Asamira Suzuki 2017-02-28
9557798 Power control device and power consuming device Yoichiro Sako, Akira Tange, Satoshi Higano 2017-01-31 $461,000
9543763 Power control apparatus, power transmission apparatus, and power control system Yoichiro Sako, Akira Tange, Satoshi Higano 2017-01-10 $438,000
9536921 Radiation image-pickup device and radiation image-pickup display system 2017-01-03 $393,000
9438130 Semiconductor device, switching system, and matrix converter Shuichi Nagai, Daisuke Ueda 2016-09-06
9430992 Memory access device Norihiko Nagai 2016-08-30
9412783 Image pickup unit and image pickup display system 2016-08-09 $739,000
9357143 Image pickup unit and image pickup display system 2016-05-31 $379,000
9312421 Photoelectric conversion element and photoelectric converter Tsutomu Tanaka, Makoto Takatoku, Ryoichi Ito, Michiru Senda 2016-04-12 $367,000
9307167 Image pickup device and image pickup display system for reducing afterimage in image output 2016-04-05 $893,000
9286018 Image processing device for improved access efficiency Norihiko Nagai 2016-03-15
9214921 Sampling rate conversion device Yuichiro Koike 2015-12-15
9196647 Image pickup unit and image pickup display system Michiru Senda, Tsutomu Tanaka, Makoto Takatoku 2015-11-24 $597,000