Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kazutoshi Nobumoto — 45 Patents

Mazda Motor: 44 patents #10 of 4,755Top 1%
TCToyo Kogyo Co.: 1 patents #64 of 216Top 30%
Hiroshima, JP: #34 of 4,738 inventorsTop 1%
Overall (All Time): #64,393 of 4,157,543Top 2%
45 Patents All Time
Kazutoshi Nobumoto has been granted 45 US patents while listed as an inventor at Mazda Motor. The first was granted in 1984 and the most recent in December 1996. Kazutoshi Nobumoto ranks #64,393 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Kazutoshi Nobumoto in Hiroshima, JP.

Patents per Year

Patents granted per year, 1984 to 1996Bar chart with a peak of 9 patents in 1991.peak 91984: 1 patents19841986: 1 patents1987: 2 patents19871988: 3 patents1989: 2 patents19891990: 3 patents1991: 9 patents19911992: 5 patents1993: 7 patents19931994: 9 patents1995: 2 patents19951996: 1 patents1996

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5584541 Slip control system for motor vehicle Akira Sone, Toshiaki Tsuyama, Fumio Kageyama, Haruki Okazaki, Makoto Kawamura 1996-12-17 $154,000
5469359 Traction control device for vehicles Toshiaki Tsuyama, Toru Onaka, Makoto Kawamura 1995-11-21 $105,000
5428539 Traction control system for an automotive vehicle utilizing a wheel slip duration timer Makoto Kawamura, Toshiaki Tsuyama, Haruki Okazaki 1995-06-27 $47,000
5365443 Traction control device for vehicles Toshiaki Tsuyama, Toru Onaka, Makoto Kawamura 1994-11-15 $89,000
5353225 Traction control system using estimated road surface friction coefficient Toshiaki Tsuyama, Toru Onaka, Makoto Kawamura 1994-10-04 $95,000
5340204 Vehicle slip control system Haruki Okazaki, Makoto Kawamura, Fumio Kageyama 1994-08-23 $58,000
5328006 Traction control system for motor vehicle Toshiaki Tsuyama, Toru Onaka, Makoto Kawamura 1994-07-12 $128,000
5329453 Traction control system for automotive vehicle Toshiaki Tsuyama, Toru Onaka, Fumio Kageyama 1994-07-12 $128,000
5325300 Traction control system for motor vehicle Toshiaki Tsuyama, Toru Onaka, Makoto Kawamura 1994-06-28 $177,000
5320422 Slip control device for vehicle wheel Toshiaki Tsuyama, Fumio Kageyama, Makoto Kawamura, Haruki Okazaki 1994-06-14 $123,000
5297662 Traction control system for vehicle Toshiaki Tsuyama, Toru Onaka, Fumio Kageyama, Makoto Kawamura 1994-03-29 $128,000
5281008 Traction control system for motor vehicle Makoto Kawamura, Toshiaki Tsuyama, Haruki Okazaki 1994-01-25 $89,000
5263548 Vehicle slip control system Toshiaki Tsuyama, Kaoru Sotoyama, Makoto Kawamura, Fumio Kageyama, Haruki Okazaki 1993-11-23 $66,000
5262952 Slip control system for motor vehicle Toshiaki Tsuyama, Fumio Kageyama, Makoto Kawamura, Akira Sone 1993-11-16 $94,000
5246279 Anti-skid brake system for an automotive vehicle including brake force control Toru Onaka, Toshiaki Tsuyama, Yoji Kurihara 1993-09-21 $124,000
5211452 Anti-skid brake system with reset of thresholds due to changing road surface cofficient Haruki Okazaki, Fumio Kageyama, Yoji Kurihara 1993-05-18 $92,000
5193888 Slip control system for motor vehicle Haruki Okazaki, Toru Onaka, Fumio Kageyama, Makoto Kawamura 1993-03-16 $91,000
5193061 Slip control mechanism of a motor vehicle Toshiaki Tsuyama, Fumio Kageyama, Akira Sone, Makoto Kawamura 1993-03-09 $193,000
5190361 Anti-skid brake system for an automotive vehicle Toru Onaka, Toshiaki Tsuyama 1993-03-02 $118,000
5159991 Slip control system for automotive vehicle Toshiaki Tsuyama, Fumio Kageyama, Haruki Okazaki 1992-11-03 $107,000
5148884 Slip control system for automotive vehicle Toshiaki Tsuyama, Kaoru Sotoyama, Toru Onaka 1992-09-22 $116,000
5117934 Slip control system for vehicle and rough road detecting system Toshiaki Tsuyama, Kaoru Sotoyama, Toru Onaka, Fumio Kageyama, Haruki Okazaki +1 more 1992-06-02 $171,000
5092435 Slip control system for a vehicle Akira Sone, Makoto Kawamura, Fumio Kageyama, Toshiaki Tsuyama 1992-03-03 $58,000
5083631 Slip control apparatus for a four wheel drive vehicle Yasunari Nakayama, Kaoru Sotoyama, Mitsuru Nagaoka, Kenichi Watanabe 1992-01-28 $112,000
5077672 Slip control system for a vehicle Toshiaki Tsuyama, Fumio Kageyama, Akira Sone, Makoto Kawamura 1991-12-31 $70,000