Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Alpine Electronics › Hitoshi Shirashima
HS

Hitoshi Shirashima — 6 Patents

AEAlpine Electronics: 4 patents #73 of 637Top 15%
ACAlps Alpine Co.: 2 patents #150 of 525Top 30%
Iwaki, JP: #129 of 693 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Hitoshi Shirashima has been granted 6 US patents while listed as an inventor at Alpine Electronics. The first was granted in 2001 and the most recent in November 2024. Hitoshi Shirashima ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Hitoshi Shirashima in Iwaki, JP.

Patents per Year

Patents granted per year, 2001 to 2024Bar chart with a peak of 2 patents in 2001.peak 22001: 2 patents20012002: 1 patents20022020: 1 patents20202024: 2 patents2024

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12149191 Vibration generator and vibration generation method Kazuhiko Kinemura 2024-11-19
12049781 In-vehicle device — 2024-07-30
10639674 Response force generation device — 2020-05-05
6445672 Drive for storage medium Shoji Suzuki 2002-09-03
6327239 Disc apparatus Shoji Suzuki 2001-12-04
6275465 Disc clamping mechanism and disk player provided with the clamping mechanism Shoji Suzuki 2001-08-14

Frequent Collaborators

Shoji Suzuki3 shared
Kazuhiko Kinemura1 shared

Nearby-Ranked Inventors

Aurélien Joulia6
Michael F. Vollero6
Stefano Fracassi6
Uwe Gruenbeck6
Alexander Matrosov6
Rouzbeh Behnia6
Carole Chapelat6
Mina Sedaghat6
Martinus Johannes Donatus Brakkee6