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

Minoru Nakamura — 215 Patents

Canon: 34 patents #1,468 of 19,416Top 8%
FAFanuc: 30 patents #70 of 1,735Top 5%
MCMinolta Co.: 21 patents #54 of 1,416Top 4%
Ricoh Company: 19 patents #1,131 of 9,818Top 15%
HCHitec Co.: 17 patents #2 of 21Top 10%
Honda Motor Co.: 14 patents #1,210 of 21,052Top 6%
MIMinolta: 11 patents #172 of 1,109Top 20%
DCDelta Tooling Co.: 6 patents #16 of 93Top 20%
Sony: 6 patents #6,793 of 25,231Top 30%
UNUnknown: 4 patents #4,220 of 83,584Top 6%
DCDelta Kogyo Co.: 3 patents #20 of 132Top 20%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
GKGlory Kogyo Kabushiki Kaisha: 3 patents #10 of 107Top 10%
Hitachi: 3 patents #10,712 of 28,497Top 40%
KMKonica Minolta: 3 patents #626 of 1,361Top 50%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
NSNippon Steel: 2 patents #1,308 of 4,423Top 30%
OLOlympus: 2 patents #1,626 of 3,097Top 55%
KAKao: 2 patents #1,388 of 3,221Top 45%
TCToyo Ink Mfg. Co.: 2 patents #112 of 499Top 25%
DCDenyo Co.: 2 patents #12 of 39Top 35%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
OSOlympus Medical Systems: 1 patents #501 of 833Top 65%
OCOlympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
RDRenesas Device Design: 1 patents #9 of 22Top 45%
RTRenesas Technology: 1 patents #1,991 of 3,337Top 60%
MCMitaka Kohki Co.: 1 patents #12 of 23Top 55%
JTJtekt: 1 patents #1,102 of 1,969Top 60%
NCNakanishi Metal Works Co.: 1 patents #34 of 95Top 40%
NENewfrey: 1 patents #263 of 476Top 60%
Denso: 1 patents #6,940 of 11,792Top 60%
NCNippon Polyurethane Industry Co.: 1 patents #33 of 76Top 45%
TCToray Engineering Co.: 1 patents #46 of 169Top 30%
TIToray Industries: 1 patents #2,000 of 3,690Top 55%
Overall (All Time): #2,851 of 4,157,543Top 1%
215 Patents All Time

Issued Patents All Time

Showing 51–75 of 215 patents

Patent #TitleCo-InventorsDate
9522448 Manufacturing method for seat frame structure Hitoshi Fujita, Etsunori Fujita, Seiji Kawasaki, Yumi Ogura, Katsuhiro Inoue +6 more 2016-12-20
9376044 Vehicle seat Etsunori Fujita, Yumi Ogura, Seiji Kawasaki, Katsuhiro Inoue, Eiji Sugimoto +4 more 2016-06-28
9223585 Data processing device with serial bus that needs initialization before use Takashi Miyoshi 2015-12-29
9164416 Conductive member, electrophotographic process cartridge, and electrophotographic apparatus Kazuaki Nagaoka, Yosuke Ata, Masahiro Inami 2015-10-20
9128411 Developing device, process cartridge, and electrophotographic apparatus Takuya Kitamura, Kouki Yano, Yuji Kawaguchi 2015-09-08
8874007 Developing unit and electrophotographic image forming apparatus Kunimasa Kawamura, Shohei Urushihara, Masaki Yamada, Yasushi Katsuta 2014-10-28
8798508 Developing member, process cartridge, and electrophotographic apparatus Masaki Yamada, Takashi Koyanagi, Kunimasa Kawamura, Yuji Sakurai, Shohei Urushihara 2014-08-05
8768227 Developing member including elastic member containing cured product of addition-curing silicone rubber mixture, processing cartridge including the developing member, and electrophotographic apparatus including the developing member Shohei Urushihara, Kunimasa Kawamura, Masaki Yamada, Takashi Kusaba 2014-07-01
8767307 Objective optical system Yasuaki Ushio 2014-07-01
8655222 Developing member, process cartridge, and electrophotographic image forming apparatus Shohei Urushihara, Takashi Koyanagi, Kunimasa Kawamura, Masaki Yamada 2014-02-18
8407838 Automatic fecal and urinary treatment device Kim Yong Ha, Do Hyun Ok 2013-04-02
8402573 Toilet unit for use in a supine position Kim Yong Ha, Do Hyun Ok 2013-03-26
8338066 Toner, process cartridge and method of forming image Tsuyoshi Nozaki, Chiyoshi Nozaki, Atsushi Yamamoto, Akira Izutani 2012-12-25
8328231 Side airbag device for vehicle seat Yoshinori Shinoda 2012-12-11
8206879 Image forming method Akira Izutani 2012-06-26
8196230 Automatic treating device for urination and defecation Kim Yong Ha, Do Hyun Ok 2012-06-12
8191181 Detection system for toilet unit for use in a supine position Yong-Ha Kim, Hyun Ok Do 2012-06-05
8182405 Developing roller, developing roller production method, process cartridge, and electrophotographic apparatus Masahiro Kurachi, Masaki Yamada, Yuji Sakurai 2012-05-22
8122750 Cable hanger production system and production method Hiroshi Iwase 2012-02-28
8053154 Toner and image forming method Takuya Kadota, Masayuki Hagi, Yoshihiro Mikuriya, Katsunori Kurose, Hiroaki Kato +4 more 2011-11-08
8039185 Toner for developing a latent electrostatic image, method for producing the same, image-forming apparatus and process cartridge using the same Mitsuyo Matsumoto, Chiyoshi Nozaki, Tsuyoshi Nozaki, Atsushi Yamamoto 2011-10-18
8017290 Image forming method and image forming apparatus Akira Izutani 2011-09-13
7983605 Developing member with urethane resin and silicone surface layer Ryota Kashiwabara, Atsushi Tanaka 2011-07-19
7982864 Optical measuring system Katsushige Nakamura, Katsuhiro Miura, Masao Doi 2011-07-19
7971462 Cable hanger production system and production method Hiroshi Iwase 2011-07-05