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

Yoshiaki Haga — 8 Patents

OTOtics: 3 patents #22 of 78Top 30%
Tdk: 2 patents #1,902 of 3,796Top 55%
IIIchikoh Industries: 1 patents #110 of 256Top 45%
SCSenko Advanced Components: 1 patents #35 of 62Top 60%
Tokyo, JP: #18,804 of 90,295 inventorsTop 25%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Yoshiaki Haga has been granted 8 US patents while listed as an inventor at Otics. The first was granted in 1998 and the most recent in February 2024. Yoshiaki Haga ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Yoshiaki Haga in Tokyo, JP.

Patents per Year

Patents granted per year, 1998 to 2024Bar chart with a peak of 3 patents in 2015.peak 31998: 1 patents19981999: 1 patents19992015: 3 patents20152019: 2 patents20192024: 1 patents2024

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11911805 Optical connector cleaning tool and optical connector cleaning tool attachment Etsu Hashimoto, Kazutoshi Ando, Yohei Omodaka 2024-02-27
10511237 Method of driving a driving apparatus Akira Suzuki, Masaru Uno, Kazutomo Imi 2019-12-17
10309263 Rocker arm and method of manufacturing the rocker arm Naoyuki Yamane, Tatsuya Sasaki, Eiichi Nozaki, Makoto Takaragi 2019-06-04
9091186 Lash adjuster Hiroki Yamamoto 2015-07-28
9041270 Driving apparatus Masaru Uno 2015-05-26
9010291 Lash adjuster Hiroki Yamamoto 2015-04-21
5897281 Push nut and method for producing the same Ken'ichi Miyoshi, Fumio Nakazima, Yoshinobu Katsuno 1999-04-27
5833422 Push nut Ken'ichi Miyoshi, Fumio Nakazima, Yoshinobu Katsuno 1998-11-10