Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Alpine Electronics › Kazuma Takeda
KT

Kazuma Takeda — 4 Patents

AEAlpine Electronics: 1 patents #279 of 637Top 45%
CGChrysler Group: 1 patents #1,051 of 2,641Top 40%
TSToshiba Electronic Devices & Storage: 1 patents #470 of 900Top 55%
Kabushiki Kaisha Toshiba: 1 patents #13,641 of 21,451Top 65%
Iwaki, JP: #181 of 693 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Kazuma Takeda has been granted 4 US patents while listed as an inventor at Alpine Electronics. The first was granted in 1987 and the most recent in October 2025. Kazuma Takeda ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kazuma Takeda in Iwaki, JP.

Patents per Year

Patents granted per year, 1987 to 2021Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19871999: 1 patents19992021: 1 patents2021

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12444260 Information processing apparatus, information processing method, and storage medium Koichiro Wanda 2025-10-14
10921767 Encoder system Akihiro Kobayashi, Makoto Kanda, Shigeru Itoh, Hiroshi Nishikawa, Wataru Furuichi +1 more 2021-02-16
5870018 Automotive radio anti-theft device via multiplex bus Andrew P. Person, James P. Muccioli, Yasuhiko Mukaiyama 1999-02-09
4683462 Device for protecting audio equipment in vehicle against theft Tsutomu Igarashi 1987-07-28

Frequent Collaborators

Hiroshi Nishikawa1 shared
Tsutomu Igarashi1 shared
Makoto Kanda1 shared
Andrew P. Person1 shared
Akihiro Kobayashi1 shared
Koichiro Wanda1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4