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

Hiroki Masuda — 46 Patents

Casio Computer Co.: 21 patents #63 of 1,970Top 4%
Sony: 8 patents #5,371 of 25,231Top 25%
KCKayaba Industry Co.: 2 patents #82 of 326Top 30%
KYKyb: 2 patents #102 of 347Top 30%
MIMitutoyo: 2 patents #351 of 721Top 50%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
SCSekisui Chemical Co.: 2 patents #358 of 908Top 40%
SCStanley Electric Co.: 2 patents #339 of 1,072Top 35%
YCYanmar Holdings Co.: 2 patents #230 of 636Top 40%
OIOiles: 1 patents #134 of 253Top 55%
Canon: 1 patents #14,969 of 19,416Top 80%
DCDaido Steel Co.: 1 patents #95 of 272Top 35%
Toyota: 1 patents #15,486 of 26,838Top 60%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Akishima, JP: #2 of 519 inventorsTop 1%
Overall (All Time): #62,001 of 4,157,543Top 2%
46 Patents All Time
Hiroki Masuda has been granted 46 US patents while listed as an inventor at Casio Computer Co.. The first was granted in 1991 and the most recent in July 2024. Hiroki Masuda ranks #62,001 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Hiroki Masuda in Akishima, JP.

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12038079 Worm shaft, worm speed reducer, and manufacturing method of worm shaft Yoshimasa Inaba 2024-07-16
11949112 Collector layer for all-solid-state batteries, all-solid-state battery and carbon material Yuuki Sawada 2024-04-02
11878740 Rack bushing and steering device Gaku Ikeyama, Kazuya Sato, Junya Kuwagaki, Yoshimitsu Fumimoto, Masaki Takahashi +6 more 2024-01-23 $212,000
11019312 Light source device, projection device, and light source control method Masahiro Ogawa, Osamu Umamine, Tetsuro Narikawa 2021-05-25
10998551 Electrode material for electricity storage devices, electrode for electricity storage devices, and electricity storage device Yuuki Sawada, Akira Nakasuga, Akihiko Fujiwara, Takuya Wada 2021-05-04
10976650 Light source unit and projection apparatus 2021-04-13
10861364 Projector and projection method 2020-12-08
10725363 Light source unit and projector 2020-07-28
10671233 File management apparatus and image display apparatus Eriko Matsumura, Kensaku Ishizuka, Masakazu Hayashi, Masaru Nomura 2020-06-02 $486,000
10644318 Carbon material, carbon material-active material composite, electrode material for lithium-ion secondary battery, and lithium-ion secondary battery Takuya Wada, Naoki SASAGAWA, Akira Nakasuga, Shoji Nozato 2020-05-05
10511663 Information processing apparatus, information processing method, and program Hideki Sato 2019-12-17 $959,000
10089200 Computer apparatus and computer mechanism Atsushi Settsu, Shinichi Ochiai 2018-10-02
9599883 Light source unit including luminescent plate on to which excitation light from excitation light source is shone and projector including the light source unit 2017-03-21
9593404 Nitrocarburized crankshaft and method of manufacturing the same Hideki Matsuda, Ayumi Yamazaki, Shinichiro Kato, Takahiro Miyazaki 2017-03-14
9335559 Light source unit able to diffuse laser beam sufficiently, projector, and image projection method 2016-05-10
9316897 Light source unit and projector 2016-04-19
9291332 Light source unit capable of preventing deterioration of luminescent material layer, illuminating method of light source unit, and projector 2016-03-22
9255692 Light source unit capable of shining light of high in-plane uniformity, illuminating method of light source unit, and projector 2016-02-09
9207522 Light source unit and projector Masahiro Ogawa, Osamu Umamine 2015-12-08
9157519 Worm reduction gear Takashi Gotou 2015-10-13
9064443 Projection apparatus, projection method, and storage medium storing program, for reducing energy consumption by shortening color mixing period 2015-06-23
8794765 Projection apparatus, projection method, and medium storing program Mamoru Shibasaki 2014-08-05
8757814 Projector having light source unit including excitation light source, optical wheel, light emitting light source, and controller 2014-06-24
8746896 Light source unit and projector Naotsugu Ogura, Hideki Nakamura, Takeshi Miyazaki, Osamu Umamine, Yasuyuki Kawakami 2014-06-10
8740390 Fluorescent wheel, light source device and projector 2014-06-03