Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hirofumi Yamamoto — 76 Patents

Microsoft: 13 patents #3,175 of 40,388Top 8%
Denso: 10 patents #1,243 of 11,792Top 15%
NTNTT: 7 patents #771 of 4,871Top 20%
AGAgc: 6 patents #122 of 954Top 15%
Toyota: 5 patents #5,736 of 26,838Top 25%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Kabushiki Kaisha Toshiba: 5 patents #5,724 of 21,451Top 30%
TOToto: 4 patents #244 of 1,113Top 25%
OLOlympus: 3 patents #1,323 of 3,097Top 45%
TSToshiba Infrastructure Systems & Solutions: 3 patents #55 of 424Top 15%
NCNippon Shinyaku Co.: 3 patents #54 of 237Top 25%
OUOsaka University: 2 patents #362 of 1,984Top 20%
SCSansha Electric Manufacturing Co.: 2 patents #32 of 93Top 35%
TIToray Industries: 2 patents #1,308 of 3,690Top 40%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Nec: 1 patents #7,928 of 14,502Top 55%
MCMitsubishi Electric Semiconductor Software Co.: 1 patents #33 of 117Top 30%
TITexas Instruments: 1 patents #7,388 of 12,488Top 60%
MCMurata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
ZEZeon: 1 patents #435 of 734Top 60%
Overall (All Time): #24,882 of 4,157,543Top 1%
76 Patents All Time
Hirofumi Yamamoto has been granted 76 US patents while listed as an inventor at Microsoft. The first was granted in 1990 and the most recent in December 2025. Hirofumi Yamamoto ranks #24,882 of 4,157,543 US inventors in our database (top 0.60%). Patent records list Hirofumi Yamamoto in Yokohama, CA, JP.

Issued Patents All Time

Showing 1–25 of 76 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12486504 Drug delivery composition, method for producing same and use thereof Manabu Mori, Shuji Akai, Xin Alice Wu 2025-12-02
12423868 Control system and control method Keita Hayashi, Tadashi Ishiwata, Keiji Tsuchiya, Yasufumi Nakaaki 2025-09-23
12391308 False positive request detection Yiting Liu, Chen Bao 2025-08-19
12347837 Battery pack and battery system 2025-07-01
12263555 Glass article and method of producing glass article Toru Momose, Osamu Sato, Nobuhiko Takeshita 2025-04-01
12240432 Systems and methods for variable brake hold actuation and release Yiting Liu, Chen Bao 2025-03-04
12234181 Supporting glass substrate and laminated body Yusuke Kobayashi, Izuru Kashima, Kazutaka Ono, Seiji Inaba, Kiyoshi Tamai 2025-02-25
12168464 Vehicle safety operation manager for driver assistance functions Yiting Liu, Chen Bao, Thomas JOHNSTON, Kazunori Nimura 2024-12-17 $2,343,000
12162490 Acceleration control to prevent collisions Yiting Liu, Chen Bao 2024-12-10 $1,633,000
12129354 Method for manufacturing carbon nanotube-blended aggregate 2024-10-29
D1041400 Battery module Hiroaki Yoshinari, Keizo Hagiwara 2024-09-10
12081875 Image processing apparatus, image processing method, and computer readable medium Keita Hayashi, Tadashi Ishiwata, Yasufumi Nakaaki, Keiji Tsuchiya, Jun Takahashi 2024-09-03
D1038005 Battery module Hiroaki Yoshinari, Keizo Hagiwara 2024-08-06
12058557 Communication system, communication device, and terminal device Tatsuya FUKUI, Naotaka SHIBATA, Keita Takahashi, Hideaki Kimura, Noriyuki Ota +1 more 2024-08-06
12047848 Relay device, relay method, and relay program Naotaka SHIBATA, Keita Takahashi, Noriyuki Ota, Jun Terada 2024-07-23
12039722 Image analysis method, storage medium, image analysis device, and image analysis system Kazuaki Nakane, Sachiko Nankumo, Yasuyoshi Tsutsumi 2024-07-16 $228,000
12010521 Signal transfer system, signal transfer method, and path control device Naotaka SHIBATA, Keita Takahashi, Tatsuya FUKUI, Hideaki Kimura, Noriyuki Ota +1 more 2024-06-11
11969857 Glass article and method of producing glass article Toru Momose, Osamu Sato, Nobuhiko Takeshita 2024-04-30
11923950 Relay device, relay method, and relay program Naotaka SHIBATA, Keita Takahashi, Noriyuki Ota, Jun Terada 2024-03-05
11817328 Laminate and method for producing laminate Yasuhiko Akao, Teruo Fujiwara, Nobuhiko Imajo 2023-11-14
11804897 Multiplex transmission system and multiplex transmission method Naotaka SHIBATA, Keita Takahashi, Tatsuya FUKUI, Hideaki Kimura, Noriyuki Ota +1 more 2023-10-31
11594426 Laminate and method for producing laminate Yasuhiko Akao, Teruo Fujiwara, Nobuhiko Imajo 2023-02-28
11556235 Interacting with nonconforming applications in a windowing environment Yaou Wei, Christopher E. Swan, Alex Snitkovskiy, Tsz Yan Wong, Steven J. Tricanowicz +2 more 2023-01-17 $212,156,000
11509357 Relay apparatus and relay method Kenji Miyamoto, Keita Takahashi, Noriyuki Ota, Jun Terada 2022-11-22
11490289 Control apparatus and control method Kenji Miyamoto, Keita Takahashi, Noriyuki Ota, Jun Terada 2022-11-01