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

Kazuo Takeuchi — 16 Patents

RIRiken: 4 patents #178 of 1,824Top 10%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
IRInstitute Of Physical And Chemical Research: 2 patents #33 of 172Top 20%
KSKobe Steel: 2 patents #616 of 1,773Top 35%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
SCSumitomo Bakelite Co.: 2 patents #227 of 790Top 30%
Toyota: 1 patents #15,486 of 26,838Top 60%
SSSumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
Canon: 1 patents #14,969 of 19,416Top 80%
CCChuetsu Metal Works Co.: 1 patents #14 of 22Top 65%
Kamakura, JP: #98 of 1,212 inventorsTop 9%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Kazuo Takeuchi has been granted 16 US patents while listed as an inventor at Riken. The first was granted in 1980 and the most recent in September 2006. Kazuo Takeuchi ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Kazuo Takeuchi in Kamakura, JP.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7105145 Method of producing ferroelectric metal oxide crystalline particles Kwang Soo Seol, Takeshi Miyagawa, Yoshimichi Ohki 2006-09-12
7067068 Method for preventing lead from dissolving from a lead-containing copper-based alloy Sumiko Sanuki, Kunio Nakashima, Ryouichi Ishigane, Wataru Yago, Kenichi Ichida +1 more 2006-06-27
6892142 Method of analyzing particles suspended in liquid and liquid-suspended particle analyzer for carrying out the method Kikuo Okuyama, Wuled Lenggoro 2005-05-10 $24,000
6856057 Thin brushless motor having resin-insulated concentric ring-shaped bus bars Makoto Kobayashi, Izumi Suzuki, Tatsuro Horie, Kenji Fukuda 2005-02-15 $271,000
6709804 Printed wiring board and semiconductor device and processes to prepare the same Yusuke Tajima, Yasuo Shigemitsu, Etsu Takeuchi 2004-03-23
6540264 Quick connector for piping Kazutaka Yokoyama 2003-04-01 $235,000
6528231 PHOTOSENSITIVE RESIN COMPOSITION, PRINTED WIRING BOARD, SUBSTRATE FOR DISPOSING SEMICONDUCTOR CHIPS, SEMICONDUCTOR DEVICE AND PROCESSES FOR PRODUCING A PRINTED WIRING BOARD, A SUBSTRATE FOR DISPOSING SEMICONDUCTOR CHIPS AND A SEMICONDUCTOR DEVICE Yusuke Tajima, Yasuo Shigemitsu, Etsu Takeuchi 2003-03-04
6374194 System and method of diagnosing particle formation 2002-04-16
5998089 Photosensitive resin composition comprising fullerene Yusuke Tajima, Tadahiro Ishii 1999-12-07
5829418 Fuel supply system for internal combustion engines Masayuki Tamura, Fumihiro Yamaguchi, Hajime Endo, Kenichiro Ishibashi 1998-11-03 $239,000
5431266 Shift lock system Yasuhiko Ito 1995-07-11 $76,000
5201873 Sheet feeding apparatus having the ability to retract the sheet supply Yutaka Kikuchi, Ryuichi Inaba, Hitoshi Ishihama, Yasunori Kawakami, Akihito Nagayama +4 more 1993-04-13 $21,000
4947296 Sun visor for automotive vehicle Masamitsu Matsuki 1990-08-07 $10,000
4825825 Oil pan arrangement for horizontally mounted engine Yoshiharu Chino, Nobuaki Wakita, Masaru Hibino, Taro Ikeya, Toshiro Kanesaka 1989-05-02 $62,000
4395119 Method for automatic, non-destructive measurement of eccentricity of coated electrodes Kazuo Nakata, Akihiko Iochi, Isamu Kaise, Katsuhiko Nomura 1983-07-26
4185921 Surface flaw detector Tomokazu Godai, Yasuhito Takeuchi, Kozo Nakai, Yoshihisa Morioka 1980-01-29