Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MN

Masaru Nakamura

DIDisco: 73 patents #4 of 708Top 1%
SCSanken Electric Co.: 26 patents #4 of 315Top 2%
KTKabushiki Kaisha Toshiba: 14 patents #2,131 of 21,451Top 10%
Ricoh Company: 12 patents #1,888 of 9,818Top 20%
ACAsahi Glass Co.: 11 patents #160 of 2,251Top 8%
NENec: 8 patents #1,742 of 14,502Top 15%
HCHirose Electric Co.: 7 patents #45 of 407Top 15%
NSNational Institute For Materials Science: 6 patents #50 of 901Top 6%
MIMitsubishi Cable Industries: 4 patents #43 of 372Top 15%
CSCancer Intelligence Care Systems: 4 patents #1 of 15Top 7%
FAFanuc: 3 patents #813 of 1,735Top 50%
KCKonami Digital Entertainment Co.: 3 patents #103 of 611Top 20%
KSKomatsu Shisakusho: 2 patents #235 of 885Top 30%
FUFujikura: 2 patents #518 of 1,407Top 40%
HCHitachi Cable: 2 patents #313 of 1,086Top 30%
HCHokkaido Electric Power Co.: 2 patents #9 of 84Top 15%
ICIwaki Glass Company: 2 patents #1 of 26Top 4%
JCJapan Metals & Chemicals Co.: 2 patents #15 of 152Top 10%
KOKomatsu: 2 patents #831 of 2,087Top 40%
KCKyushu Electric Power Co.: 2 patents #26 of 151Top 20%
MCM. Watanabe & Co.: 2 patents #5 of 18Top 30%
NCNippon Light Metal Company: 2 patents #109 of 499Top 25%
KCKansai Electric Power Co.: 2 patents #104 of 506Top 25%
TOToshiba: 1 patents #1,121 of 2,688Top 45%
GCGc: 1 patents #163 of 306Top 55%
NWNakajima Copper Works: 1 patents #2 of 3Top 70%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
TETokyo Shibaura Electric: 1 patents #96 of 337Top 30%
FCFujidenolo Co.: 1 patents #13 of 19Top 70%
TKToshiba Kikai: 1 patents #381 of 713Top 55%
NCNmb Semiconductor Company: 1 patents #4 of 17Top 25%
OCOsaka Gas Co.: 1 patents #252 of 689Top 40%
Pioneer: 1 patents #1,107 of 1,730Top 65%
RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
ECEagle Industry Co.: 1 patents #172 of 314Top 55%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
SCSodick Co.: 1 patents #79 of 172Top 50%
SCSumitomo Osaka Cement Co.: 1 patents #199 of 327Top 65%
JGJapan Gore-Tex: 1 patents #28 of 90Top 35%
KKKanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
JEJapan Energy: 1 patents #85 of 240Top 40%
Kyocera: 1 patents #2,054 of 3,732Top 60%
TLTokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
Niiza, JP: #1 of 316 inventorsTop 1%
Overall (All Time): #3,453 of 4,157,543Top 1%
197 Patents All Time

Issued Patents All Time

Showing 101–125 of 197 patents

Patent #TitleCo-InventorsDate
7618878 Wafer dividing method Yusuke Nagai 2009-11-17
7605058 Wafer dividing method 2009-10-20
7598156 Method of manufacturing device having adhesive film on back-side surface thereof including breaking the adhesive with tension 2009-10-06
7579260 Method of dividing an adhesive film bonded to a wafer 2009-08-25
7577003 Switching power supply 2009-08-18
7544589 Wafer dividing method Yusuke Nagai 2009-06-09
7544587 Wafer dividing method and wafer dividing apparatus Yosuke Watanabe, Keiji Nomaru, Nobumori Ogoshi, Koichi Mitani, Taizo Kise +2 more 2009-06-09
7545542 Image forming apparatus Kohji Oshikiri, Toshiaki Watanabe, Haruo Shida 2009-06-09
7545657 Switching power source apparatus Masaaki Shimada, Akihiro Uchida 2009-06-09
7535736 Switching power supply for reducing external parts for overcurrent protection Masaaki Shimada 2009-05-19
7507639 Wafer dividing method 2009-03-24
7470566 Wafer dividing method Yusuke Nagai 2008-12-30
7446020 Wafer dividing method and dividing apparatus 2008-11-04
7446930 Method of inverting polarization by controlling defect density or degree of order of lattice points Kenji Kitamura, Sunao Kurimura, Shunji Takekawa, Kazuya Terabe, Shunichi Hishida +1 more 2008-11-04
7418027 Method and apparatus for ultra wideband communications system employing a spread spectrum technique transmitting a baseband signal over a wide frequency band 2008-08-26
7403327 Wavelength conversion element having multi-gratings and light generating apparatus using said element, and wavelength conversion element having cylindrical ferroelectric single crystals and light generating apparatus using said element Kenji Kitamura, Sunao Kurimura, Shunji Takekawa 2008-07-22
7388763 Switching power supply 2008-06-17
7348199 Wafer dividing method Yusuke Nagai 2008-03-25
7341926 Wafer dividing method 2008-03-11
7336508 Switching power source apparatus with voltage gate detector for the switch 2008-02-26
7329564 Wafer dividing method Yusuke Nagai, Kentaro Iizuka 2008-02-12
7292461 Switching power source apparatus 2007-11-06
7232741 Wafer dividing method Yusuke Nagai, Satoshi Kobayashi, Yukio Morishige 2007-06-19
7087857 Method of dividing a workpiece in the form of a plate having a layer and a substrate made of different materials Toshiyuki Yoshikawa, Satoshi Genda 2006-08-08
7063083 Wafer dividing method and apparatus Naoki Ohmiya, Yusuke Nagai 2006-06-20