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

Hiroshi Eda — 41 Patents

Nsk: 25 patents #28 of 1,559Top 2%
Mazda Motor: 7 patents #532 of 4,755Top 15%
NCNippon Seiko Co.: 6 patents #15 of 315Top 5%
Toyota: 5 patents #5,736 of 26,838Top 25%
NCNsk Steering Systems Co.: 1 patents #19 of 58Top 35%
Tdk: 1 patents #2,493 of 3,796Top 70%
TCTokyo Diamond Tools Mfg. Co.: 1 patents #3 of 14Top 25%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
NKNippon Seiko K.K.: 1 patents #5 of 23Top 25%
Maebashi, JP: #4 of 470 inventorsTop 1%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Hiroshi Eda has been granted 41 US patents while listed as an inventor at Nsk. The first was granted in 1986 and the most recent in February 2013. Hiroshi Eda ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Hiroshi Eda in Maebashi, JP.

Patents per Year

Patents granted per year, 1986 to 2013Bar chart with a peak of 8 patents in 2007.peak 81986: 3 patents19861987: 1 patents1988: 2 patents1989: 1 patents19891991: 1 patents1992: 2 patents1993: 2 patents19931995: 1 patents1996: 2 patents1997: 1 patents19971998: 1 patents1999: 1 patents2000: 1 patents20002001: 1 patents2003: 2 patents2004: 1 patents20042005: 4 patents2006: 2 patents2007: 8 patents20072009: 1 patents2011: 2 patents2013: 1 patents2013

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8377159 Synthetic grinding stone Yuji Yoshida, Libo Zhou, Masaaki Kenmochi, Yoshiaki Tashiro, Sumio Kamiya +3 more 2013-02-19 $1,236,000
7997953 Precision machining method Sumio Kamiya, Hisao Iwase, Tetsuya Nagaike, Libo Zhou 2011-08-16 $948,000
7950981 Precision machining apparatus and precision machining method Sumio Kamiya, Hisao Iwase, Tetsuya Nagaike, Libo Zhou 2011-05-31 $961,000
7472773 Electrically driven power steering apparatus Toshihiro Fukuda, Shuji Endo, Osama Tatewaki, Kenichi Hayakawa, Hirotaka Hatano 2009-01-06
7284634 Electric power steering apparatus Osamu Tatewaki, Toshihiro Fukuda, Jun Okada 2007-10-23
7247081 Precision machining apparatus and precision machining method Sumio Kamiya, Hisao Iwase, Tetsuya Nagaike, Libo Zhou 2007-07-24 $233,000
7240763 Electric power steering apparatus Osamu Tatewaki, Toshihiro Fukuda, Osamu Saito, Jun Okada 2007-07-10
7237646 Electrically driven power steering apparatus Toshihiro Fukuda 2007-07-03
7219761 Motor-operated power steering apparatus Toshihiro Fukuda, Shuji Endo, Osamu Tatewaki, Kenichi Hayakawa, Hirotaka Hatano +1 more 2007-05-22
7188700 Electric power steering apparatus Toru Segawa 2007-03-13
7183681 Electric power steering apparatus Toru Segawa, Yushi Momo, Takayoshi Kanazawa, Masaru Wada 2007-02-27
7160175 Attitude control device and precision machining apparatus Sumio Kamiya, Hisao Iwase, Tetsuya Nagaike, Libo Zhou 2007-01-09 $1,763,000
7077235 Electric power steering device Toru Segawa 2006-07-18
7025169 Electric power steering apparatus Osamu Tatewaki, Toshihiro Fukuda, Osamu Saito, Jun Okada 2006-04-11
6938723 Electric power steering apparatus Osamu Tatewaki, Toshihiro Fukuda, Jun Okada 2005-09-06
6915874 Electric power steering apparatus Osamu Tatewaki, Toshihiro Fukuda, Jun Okada 2005-07-12
6860360 Electric power steering apparatus Osamu Tatewaki, Toshihiro Fukuda, Osamu Saito, Jun Okada 2005-03-01
6851508 Motor-operated power steering device Toshihiro Fukuda, Shuji Endo, Osamu Tatewaki, Kenichi Hayakawa, Hirotaka Hatano 2005-02-08
6702060 Electric power steering apparatus Osamu Tatewaki, Toshihiro Fukuda, Osamu Saito, Jun Okada 2004-03-09
6662897 Electric power steering apparatus Osamu Tatewaki, Toshihiro Fukuda, Jun Okada 2003-12-16
6659219 Electric power steering device Jun Okada, Toshihiro Fukuda 2003-12-09
6260654 Frictional transmission Hiroyuki Ito, Hisashi Machida, Ryoichi Otaki, Toshihiro Fukuda, Kazuo Chikaraishi 2001-07-17
6044723 Electric power assisting steering apparatus Yuji Kawaike, Masuji Machida 2000-04-04
5982054 Magnetostrictive device Amer Rathore, Teruo Mori, Kiyoshi Uchida, Yoshio Yamamoto 1999-11-09 $47,000
5732790 Electric power steering apparatus Shuji Endo, Hiroyuki Kano, Hideaki Kawada, Yasuhiko Miyaura, Isamu Chikuma +3 more 1998-03-31