Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HA

Hiroaki Asano — 60 Patents

Panasonic: 18 patents #1,184 of 21,108Top 6%
TKToyoda Koki Kabushiki Kaisha: 16 patents #12 of 674Top 2%
Sumitomo Electric Industries: 11 patents #2,408 of 21,551Top 15%
TIToyota Industries: 9 patents #151 of 1,610Top 10%
Denso: 6 patents #2,220 of 11,792Top 20%
TMToyoda Van Moppes: 1 patents #16 of 39Top 45%
NTNTT: 1 patents #2,911 of 4,871Top 60%
Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #39,282 of 4,157,543Top 1%
60 Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
8506308 Substrate connection structure Sadanori Suzuki, Kiminori Ozaki 2013-08-13
8240582 Stacked piezoelectric device Satoshi Suzuki, Atsushi Murai, Kouji Noda, Toshiatu Nagaya, Akio Iwase +2 more 2012-08-14
7567020 Laminated piezoelectric element including adhesive layers having small thickness and high adhesive strength Shinichi Okamoto, Yoichi Kobane 2009-07-28
7561449 DC-AC converter and method for protecting DC-AC converter from overcurrent Sadanori Suzuki, Kiminori Ozaki, Yusuke Yamamoto, Takahiro Suzuki 2009-07-14
7439655 Laminated-type piezoelectric element Hidekazu Hattori, Yoichi Kobane 2008-10-21
7429817 Multilayer piezoelectric element Yoichi Kobane 2008-09-30
7358646 Piezoelectric actuator Shinichi Okamoto 2008-04-15
7339310 Laminated piezoelectric element Yoichi Kobane, Hidekazu Hattori 2008-03-04
7076166 Low-cost optical burst transmission system, apparatus, and method Masaru Fuse, Toru Shiozaki, Yoshikazu Ishii, Kuniaki Utsumi, Katsumi Iwatsuki +3 more 2006-07-11
6911847 Current switching type of high-speed logic circuit which generates output pair of differential signals each having accurately matched rise-time and fall-time waveform characteristics Mitsuru Saito 2005-06-28
6819840 Optical transmitting/receiving module and method for manufacturing the same Hitomaro Tohgoh 2004-11-16
6466595 Laser diode driving method and circuit which provides an automatic power control capable of shortening the start-up period 2002-10-15
6232842 Amplifying circuit and optical receiver comprising the same 2001-05-15
6200360 Abrasive tool and the method of producing the same Tomoyasu Imai, Hayashi Kodama, Masato Kitajima, Masashi Yanagisawa 2001-03-13
6044095 Light emitting device drive circuit Susumu Morikura 2000-03-28
6032185 Bus network with a control station utilizing tokens to control the transmission of information between network stations 2000-02-29
5884171 Radio communication apparatus and method for preventing hidden terminals from interrupting communications Takumi Tanabe, Hitoshi Takai 1999-03-16
5875049 Amplifier for burst signal and optical receiving circuit Hiroaki Yamamoto, Katsuyuki Fujito 1999-02-23
5754947 Radio communication apparatus and method for preventing hidden terminals from interrupting communications Takumi Tanabe, Hitoshi Takai 1998-05-19
5562523 Method and apparatus for grinding a workpiece Takao Yoneda, Takayuki Hotta 1996-10-08
5490145 Communication system for a ring-type network Takumi Tanabe, Shinako Nishioka, Osamu Tanaka, Shiro Iwasaki 1996-02-06
5485752 Apparatus for detecting contact with rotating body Yasuhiro Kobayashi, Shigeo Hotta, Yoichi Yamakawa, Akira Ito, Hirotaka Sugiura 1996-01-23
5080187 Driving power transmission system for vehicle Kyosuke Haga 1992-01-14
5063738 Pressure generation and responsive mechanism with high viscous fluid Masaji Yamamoto 1991-11-12
4966268 Driving power transmission device Kyosuke Haga, Isao Ito 1990-10-30