Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yuichi Masuda — 18 Patents

Casio Computer Co.: 4 patents #615 of 1,970Top 35%
YKYoshida Kogyo K.K.: 3 patents #136 of 468Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
YKYkk: 2 patents #317 of 845Top 40%
SHShimadzu: 2 patents #805 of 2,007Top 45%
NPNippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
JTJtekt: 1 patents #1,102 of 1,969Top 60%
ICImmuno-Biological Laboratories Co.: 1 patents #5 of 20Top 25%
KSKobe Steel: 1 patents #937 of 1,773Top 55%
KUKyoto University: 1 patents #568 of 1,688Top 35%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Yuichi Masuda has been granted 18 US patents while listed as an inventor at Casio Computer Co.. The first was granted in 1980 and the most recent in December 2025. Yuichi Masuda ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Yuichi Masuda in Kyoto, GA, JP.

Patents per Year

Patents granted per year, 1980 to 2025Bar chart with a peak of 3 patents in 2025.peak 31980: 1 patents19801988: 1 patents1989: 1 patents19891992: 2 patents1995: 1 patents19951996: 1 patents1997: 1 patents19972000: 1 patents2014: 1 patents20142015: 2 patents2020: 1 patents20202021: 1 patents2023: 1 patents20232025: 3 patents2025

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12510526 Inspection apparatus and inspection method Masahito Yahata, Kazuma MAEDA, Tatsuya Kataoka, Nobuhiro Namikawa, Akioki Nakamori +1 more 2025-12-30
12493021 Inspection apparatus Yoshiaki Nieda, Masahito Yahata, Tatsuya Kataoka 2025-12-09
12196697 Inspection apparatus and conductivity meter Tatsuya Kataoka, Yuki Yamauchi, Masahito Yahata, Nobuhiro Namikawa 2025-01-14
11739006 Water quality measurement device and water quality measurement method Masahito Yahata, Tatsuya Kataoka 2023-08-29
10883504 Compression device Masahiro Tajima, Shugo Takaki, Keita Ochiai, Hisanori Goto, Hirofumi Saito 2021-01-05
10865830 Tapered roller bearing Youzou Taniguchi, Kanichi Koda, Haruo Kimura 2020-12-15
9061882 Fastening member Ryuichi Murasaki 2015-06-23
9004591 Fixture unit and cover fixing method Ryuichi Murasaki, Eiichi Sasada 2015-04-14
8710193 Antibody recognizing turn structure in amyloid β Kazuhiro Irie, Kazuma Murakami, Takahiko Shimizu, Takuji Shirasawa, Tsutomu Seito 2014-04-29
6145060 Data storage device with only internal addressing Akihide Takasu 2000-11-07
5616860 Azimuth indicator equipped with anemometer capable of indicating blowing direction of wind Hiroshi Morohoshi, Yasuo Kuroki 1997-04-01
5547076 Packaging structure Yuji Doi, Yoshiya Kato, Takanobu Kanezashi 1996-08-20
5403413 Apparatus and method for manufacturing surface fastener bands — 1995-04-04
5138590 Electronic apparatus having movable case Katsuaki Karasawa 1992-08-11
5137866 Method for producing molded article of ceramic oxide superconductor Yasuyo Matsumoto, Hajime Hitotsuyanagi, Michihisa Kyoto, Masashi Onishi 1992-08-11
4840322 Winding of flexible elongate material Kozo Shimizu 1989-06-20
4742969 Winding of flexible elongate material Kozo Shimizu 1988-05-10
4224046 Method for manufacturing an optical fiber preform Tatsuo Izawa, Toru Kuwabara, Yuji Kameo 1980-09-23

Frequent Collaborators

Masahito Yahata4 shared
Tatsuya Kataoka4 shared
Ryuichi Murasaki2 shared
Kozo Shimizu2 shared
Nobuhiro Namikawa2 shared
Kazuma Murakami1 shared

Nearby-Ranked Inventors

Takuma Inami18
Daniel Mills18
Jeffrey J. Beaver18
Atilhan Manay18
Chung-Wen Lo18
Andrew KENNEDY18
Max Heimel18
Kevin Skadron18
John B. Halander18