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

Eiji Kimura — 23 Patents

ADAdvantest: 10 patents #85 of 1,193Top 8%
Kyocera: 3 patents #999 of 3,732Top 30%
KSKdd Submarine Cable Systems: 2 patents #12 of 42Top 30%
ACAlps Electric Co.: 2 patents #822 of 2,177Top 40%
NBNisshinbo Brake: 2 patents #4 of 20Top 20%
RERenesas Electronics: 2 patents #1,855 of 4,529Top 45%
Sony: 1 patents #17,321 of 25,231Top 70%
KAKaijo: 1 patents #43 of 83Top 55%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Overall (All Time): #178,160 of 4,157,543Top 5%
23 Patents All Time
Eiji Kimura has been granted 23 US patents while listed as an inventor at Advantest. The first was granted in 1986 and the most recent in August 2025. Eiji Kimura ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list Eiji Kimura in Shibukawa, MI, JP.

Patents per Year

Patents granted per year, 1986 to 2025Bar chart with a peak of 3 patents in 2022.peak 31986: 1 patents19861996: 1 patents1997: 1 patents19971999: 1 patents2001: 1 patents20012002: 1 patents2003: 2 patents20032004: 1 patents2005: 2 patents20052006: 2 patents2013: 1 patents20132014: 1 patents2017: 2 patents20172018: 1 patents2021: 1 patents20212022: 3 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12385541 Disc brake pad Mitsuaki Yaguchi, Yasuki Hattori 2025-08-12
11473638 Method for manufacturing friction material Mitsuaki Yaguchi, Junichi Imai 2022-10-18
11404393 Wire bonding method and wire bonding device Hiroaki Suzuki, Yoshikazu Tashiro 2022-08-02
11251770 Crystal device and electronic apparatus using this crystal device Tsuyoshi TERAMURA 2022-02-15
11011695 Piezoelectric vibration device 2021-05-18
10103709 Crystal unit Hiroyuki Miura, Toshihiro Saito, Shinsuke Kawamori, Katsuhiro Ogasawara 2018-10-16
9566847 Structure for rear part of vehicle Makoto Fujiwara, Kenichi Hori, Kousuke Katsumata, Yuta Endo 2017-02-14 $373,000
9557787 Data processor and data processing system Sei Baba, Takeshi Shimanuki 2017-01-31
8924761 Data processor and data processing system Sei Baba, Takeshi Shimanuki 2014-12-30
8599033 Information processing device, information notification method and computer program Akira Konno, Taiki Hori 2013-12-03 $135,000
7130031 Optical characteristics measuring apparatus, method and recording medium 2006-10-31 $380,000
7027137 Optical characteristics measuring apparatus, method and recording medium 2006-04-11 $149,000
6954263 Optical characteristic measuring apparatus, method and recording medium Kenichi Nakamura, Takahisa Tomi 2005-10-11 $181,000
6864967 Optical characteristic measuring apparatus, method and recording medium 2005-03-08 $114,000
6678041 Optical characteristic measuring apparatus, the method thereof and recording medium Motoki Imamura, Fumio Inui 2004-01-13 $100,000
6654104 Apparatus and method for measuring optical characteristics and recording medium Motoki Imamura, Toshio Kawazawa 2003-11-25 $366,000
6519028 Optical characteristic measuring apparatus, the method thereof and recording medium Motoki Imamura 2003-02-11 $239,000
6433865 Apparatus and method for measuring optical characteristics and recording medium Motoki Imamura, Toshio Kawazawa, Satoru Nagumo 2002-08-13 $21,000
6207915 Reset mechanism for canceling locked state in a push-button switch 2001-03-27
5924556 Push switch device Tatsuaki Kawase 1999-07-20
5633959 Polarization state changing apparatus and polarization degree measuring apparatus using the same Shoji Niki 1997-05-27
5515166 Optical FM characteristics measurement apparatus for laser diode Hiroshi Mori 1996-05-07
4621517 System for automatically correcting position of slide in press Norio Hatanaka, Tsutae Hata, Yoshio Oketani 1986-11-11