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

Ikuo Murata — 14 Patents

EXExedy: 6 patents #46 of 223Top 25%
DSDaikin Seisakusho: 3 patents #35 of 126Top 30%
Hitachi: 3 patents #10,718 of 28,497Top 40%
HCHitachi Cable: 2 patents #313 of 1,086Top 30%
HCHitachi Media Electronics Co.: 2 patents #79 of 214Top 40%
PLPfu Limited: 2 patents #177 of 478Top 40%
Neyagawa, JP: #83 of 782 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Ikuo Murata has been granted 14 US patents while listed as an inventor at Exedy. The first was granted in 1990 and the most recent in May 2014. Ikuo Murata ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Ikuo Murata in Neyagawa, JP.

Patents per Year

Patents granted per year, 1990 to 2014Bar chart with a peak of 2 patents in 1998.peak 21990: 1 patents19901991: 1 patents1992: 1 patents19921997: 1 patents1998: 2 patents19981999: 2 patents2003: 1 patents20032005: 1 patents2008: 1 patents20082010: 2 patents2014: 1 patents2014

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8736917 Overhead image-reading apparatus image processing method, and computer program product Naofumi Kado, Hiroyuki Kameda 2014-05-27
7817094 Antenna, and wireless module, wireless unit and wireless apparatus having the antenna Satoshi Adachi, Makoto Katagishi, Masumi Iwamura, Ken Takei, Takahiro Sugiyama +1 more 2010-10-19 $76,000
7714787 Antenna, and wireless module, wireless unit and wireless apparatus having the antenna Satoshi Adachi, Makoto Katagishi, Masumi Iwamura, Ken Takei, Takahiro Sugiyama +1 more 2010-05-11 $67,000
7447363 Image processing system with parallel input and restart marker Tomoya Tanabe, Nobuhisa Yamazaki, Yasushi Takemura, Kunihiko OUMI, Shougou Maki +2 more 2008-11-04
6952595 Digital broadcast channel reception system and method and portable terminal for use in such system Hiroyasu Ikedo, Takatoshi Shirosugi, Hiroyuki Mizukami 2005-10-04 $185,000
6523663 Clutch drum 2003-02-25
5913398 Clutch disc assembly having a cushioning plate Yasuyuki Hashimoto, Hiroshi Teramae 1999-06-22
5890576 Clutch disc assembly Hideyuki Imanaka, Hisashi Honjo, Yasuyuki Hashimoto 1999-04-06
5839182 Manufacturing method for clutch disc subassembly Hiroshi Teramae 1998-11-24
5782694 Damper disc assembly having a plate formed with lubricating members for reducing friction caused by engagement with damper springs Hisashi Honjo, Hideyuki Imanaka, Hiroyuki Matsubara 1998-07-21
5651442 Clutch disc subassembly, manufacturing method and jig for assembling the subassembly Hiroshi Teramae 1997-07-29
5088583 Clutch cover assembly with spring biased release assembly Hiroshi Takeuchi, Masahiko Iwase, Hiromi Tojima, Norihisa Uenohara 1992-02-18
4985973 Manufacturing method for diaphragm spring Yoshinari Yoshimura 1991-01-22
4949829 Clutch cover assembly with annular coned disc spring Hiromi Tojima, Hiroshi Minakami, Yasuyuki Hashimoto, Mamoru Okubo, Hiroshi Takeuchi 1990-08-21