Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HY

Hisashi Yamamoto — 101 Patents

Canon: 36 patents #1,355 of 19,416Top 7%
Yamaha Motor: 12 patents #85 of 2,310Top 4%
JAJapan Science And Technology Agency: 7 patents #44 of 2,171Top 3%
Toyota: 5 patents #5,736 of 26,838Top 25%
JTJapan Science And Technology: 4 patents #30 of 836Top 4%
TCThe University Of Chicago: 4 patents #122 of 1,377Top 9%
EIEisai: 3 patents #344 of 998Top 35%
Hitachi: 3 patents #10,718 of 28,497Top 40%
ANAnelva: 3 patents #57 of 280Top 25%
NINitta: 2 patents #54 of 237Top 25%
CFChubu University Educational Foundation: 2 patents #2 of 38Top 6%
NSNidec Sankyo: 2 patents #144 of 291Top 50%
OCOno Pharmaceutical Co.: 2 patents #224 of 559Top 45%
SCSankyo Seiki Mfg. Co.: 2 patents #61 of 244Top 25%
SCShibuya Kogyo Co.: 2 patents #35 of 173Top 25%
TCToyo Stauffer Chemical Co.: 2 patents #6 of 16Top 40%
VJVictor Company Of Japan: 2 patents #523 of 1,489Top 40%
PIPiolax: 1 patents #85 of 198Top 45%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
SISumitomo Heavy Industries: 1 patents #424 of 917Top 50%
KLKanebo, Limited: 1 patents #248 of 571Top 45%
TTToshiba Lighting & Technology: 1 patents #279 of 486Top 60%
MAMaruha: 1 patents #21 of 53Top 40%
Denso: 1 patents #6,940 of 11,792Top 60%
NINippn: 1 patents #10 of 40Top 25%
AKAisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
DPDaio Paper: 1 patents #126 of 258Top 50%
PCPacific Machinery & Engineering Co.: 1 patents #4 of 11Top 40%
Overall (All Time): #14,231 of 4,157,543Top 1%
101 Patents All Time
Hisashi Yamamoto has been granted 101 US patents while listed as an inventor at Canon. The first was granted in 1983 and the most recent in October 2025. Hisashi Yamamoto ranks #14,231 of 4,157,543 US inventors in our database (top 0.34%). Patent records list Hisashi Yamamoto in Wako, MH, JP.

Patents per Year

Patents granted per year, 1988 to 2024Bar chart with a peak of 23 patents in 1997.peak 231988: 1 patents19881989: 1 patents1991: 1 patents1992: 1 patents19921994: 1 patents1995: 1 patents1996: 10 patents19961997: 23 patents1998: 5 patents1999: 2 patents19992000: 4 patents2001: 2 patents2002: 1 patents20022003: 2 patents2004: 1 patents2005: 1 patents20052006: 2 patents2007: 3 patents2008: 1 patents20082010: 1 patents2011: 6 patents2012: 2 patents20122013: 5 patents2015: 1 patents2016: 6 patents20162018: 2 patents2019: 1 patents2020: 1 patents20202022: 3 patents2024: 2 patents2024

Issued Patents All Time

Showing 1–25 of 101 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D1098744 Storage container Kentaro Okamura 2025-10-21
12040681 Rotary electric machine Hiroki Tomizawa, Asuka Tanaka, Masashi Yamasaki, Takamasa Mutou, Yasuaki Koyano +1 more 2024-07-16
11916503 Motor control device Yukihiko Yato 2024-02-27
11512108 Method for producing amide compound Wataru MURAMATSU, Tomohiro HATTORI 2022-11-29
11370747 Method for producing amide compound Wataru MURAMATSU, Tomohiro HATTORI, Yasushi Shimoda, Hiroaki Tsuji 2022-06-28
D948408 Water scooter 2022-04-12
10718680 Sensor sheet Masahiro Hatsuda, Mitsumasa Kitano, Tomohiro Agaya, Koji Iwata 2020-07-21
D869372 Water scooter 2019-12-10
10001423 Pressure measurement apparatus and program for measuring pressure Akira Ozeki 2018-06-19
D817849 Water scooter 2018-05-15
9493976 Vehicle opening/closing member damper apparatus and vehicle opening/closing member stopper apparatus Ryu Hattori, Kenji Morita, Nobuya Shinozaki, Akira Sakata, Tomoya Yabu +2 more 2016-11-15
D755108 Boat 2016-05-03
D751969 Boat 2016-03-22
9274185 Method for judging coercive force of magnetic recording medium 2016-03-01 $1,054,000
D750006 Water scooter 2016-02-23
D749033 Water scooter 2016-02-09
8981670 Luminaire and lighting control system 2015-03-17
8618320 Lewis acid catalyzed halogenation of activated carbon atoms Yanhua Zhang, Kazutaka Shibatomi 2013-12-31
D692365 Boat 2013-10-29
D691546 Boat 2013-10-15
D686967 Water scooter 2013-07-30
8372985 Process of making α-aminooxyketone/α-aminooxyaldehyde and α-hydroxyketone/α-hydroxyaldehyde compounds and a process of making reaction products from cyclic α, β-unsaturated ketone substrates and nitroso substrates Norie Momiyama, Hiromi Torii, Susumu Saito, Yuhei Yamamoto 2013-02-12
8252941 Process of making alpha-aminooxyketone/alpha-aminooxyaldehyde and alpha-hydroxyketone/alpha-hydroxyaldehyde compounds and a process making reaction products from cyclic alpha, beta-unsaturated ketone substrates and nitroso substrates Norie Momiyama, Hiromi Torii, Susumu Saito, Yuhei Yamamoto 2012-08-28
8124264 Ion-conductive material and use thereof Masaki Matsui, Hiroki Awano, Motoshi Isono 2012-02-28 $930,000
D650317 Water scooter 2011-12-13