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

Kozo Ando — 24 Patents

AUAudio-Technica: 18 patents #6 of 180Top 4%
IRInstitute Of Physical And Chemical Research: 4 patents #5 of 172Top 3%
SHShimadzu: 3 patents #606 of 2,007Top 35%
AUAubex: 1 patents #4 of 14Top 30%
NINikon: 1 patents #1,647 of 2,493Top 70%
Toyota: 1 patents #15,486 of 26,838Top 60%
Tokyo, JP: #5,997 of 90,295 inventorsTop 7%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Kozo Ando has been granted 24 US patents while listed as an inventor at Audio-Technica. The first was granted in 1981 and the most recent in August 2022. Kozo Ando ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Kozo Ando in Tokyo, JP.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
11404184 Bush structure Masaya Nakako 2022-08-02
D875066 Headphone Shohei Araki 2020-02-11
D852775 Headphone Shohei Araki 2019-07-02
D851059 Headphone Shohei Araki 2019-06-11
10204615 Noise-cancelling headphone Koji Otsuka, Yumi Shimazaki 2019-02-12
D827607 Headphone Shohei Araki 2018-09-04
D822635 Headphone Shohei Araki 2018-07-10
9959858 Noise-cancelling headphone Koji Otsuka, Yumi Shimazaki 2018-05-01
D816061 Headphone Shohei Araki 2018-04-24
D815060 Headphone Shohei Araki 2018-04-10
9913020 Noise-cancelling headphone Koji Otsuka, Yumi Shimazaki 2018-03-06
D800691 Headphone Shohei Araki 2017-10-24
D761761 Headphone Shohei Araki 2016-07-19
D635958 Headphone Wataru Sakuma 2011-04-12
D605628 Headphones 2009-12-08
D599778 Headphone 2009-09-08
D599779 Headphone 2009-09-08
D578507 Headphone 2008-10-14
6157701 X-ray generating apparatus and X-ray microscope Hideo Hirose, Tamio Hara, Yoshinobu Aoyagi 2000-12-05
5991082 Lens system with multiple focal lines Teruyoshi Tsunashima, Tamio Hara 1999-11-23
5832052 X-ray microscope Hideo Hirose, Yoshinobu Aoyagi, Tamio Hara 1998-11-03
5680429 X-ray generating apparatus and X-ray microscope Hideo Hirose, Tamio Hara, Yoshinobu Aoyagi 1997-10-21
4838723 Flexible pen nib for writing purposes Churyo Suzuki, Tooru Enomoto 1989-06-13
RE30659 Pen points for writing instruments Nobuyuki Otake, Hironobu Hori, Ykinori Sato 1981-06-30