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

Satoshi Yoshida — 249 Patents

Canon: 39 patents #1,145 of 19,416Top 6%
FIFujifilm Business Innovation: 33 patents #1,029 of 1,659Top 65%
Fujitsu Limited: 27 patents #902 of 24,456Top 4%
Toyota: 13 patents #2,130 of 26,838Top 8%
VTVlsi Technology: 12 patents #26 of 594Top 5%
JLJapan Aviation Electronics Industry, Limited: 11 patents #110 of 728Top 20%
OLOlympus: 8 patents #598 of 3,097Top 20%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
SCSanyo Electric Co.: 7 patents #794 of 6,347Top 15%
Sony: 7 patents #6,034 of 25,231Top 25%
Casio Computer Co.: 6 patents #432 of 1,970Top 25%
MIMizuno: 6 patents #41 of 221Top 20%
ACAsahi Glass Co.: 5 patents #403 of 2,251Top 20%
TOTosoh: 5 patents #117 of 1,042Top 15%
UNUnknown: 4 patents #4,220 of 83,584Top 6%
RTRenesas Technology: 3 patents #990 of 3,337Top 30%
Pioneer Electronic: 3 patents #611 of 1,840Top 35%
OSOlympus Medical Systems: 3 patents #222 of 833Top 30%
Nec: 3 patents #4,195 of 14,502Top 30%
MIMinolta: 3 patents #494 of 1,109Top 45%
RERenesas Electronics: 3 patents #1,322 of 4,529Top 30%
NINippon Itf: 2 patents #8 of 27Top 30%
ACAisin Aw Co.: 2 patents #784 of 2,011Top 40%
FUFujifilm: 2 patents #2,431 of 4,519Top 55%
Hitachi: 2 patents #13,388 of 28,497Top 50%
HZHitachi Zosen: 2 patents #121 of 531Top 25%
JCJapan Organo Co.: 2 patents #6 of 36Top 20%
KKKirin Beer Kabushiki Kaisha: 2 patents #76 of 379Top 25%
Philips: 2 patents #2,426 of 7,731Top 35%
MCMeiji Seika Pharma Co.: 2 patents #74 of 183Top 45%
MCMinolta Co.: 2 patents #718 of 1,416Top 55%
NONoritz: 2 patents #93 of 228Top 45%
TIToray Industries: 2 patents #1,308 of 3,690Top 40%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
ACAcross Co.: 1 patents #11 of 25Top 45%
Denso: 1 patents #6,940 of 11,792Top 60%
KSKoichi Shudo: 1 patents #13 of 20Top 65%
KSKobe Steel: 1 patents #937 of 1,773Top 55%
PSPhilips Semiconductors: 1 patents #15 of 64Top 25%
KIKito: 1 patents #30 of 64Top 50%
KAKao: 1 patents #1,961 of 3,221Top 65%
KCKansai Paint Co.: 1 patents #432 of 822Top 55%
Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
SESeiko Epson: 1 patents #5,551 of 7,774Top 75%
KSKobe Steel: 1 patents #78 of 306Top 30%
JCJgc Catalysts And Chemicals: 1 patents #74 of 139Top 55%
TCToyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
IHIhi: 1 patents #624 of 1,178Top 55%
HCHitachi Cable: 1 patents #530 of 1,086Top 50%
VTVsli Technology: 1 patents #5 of 38Top 15%
ACAsahi Organic Chemicals Industry Co.: 1 patents #21 of 67Top 35%
HCHirose Electric Co.: 1 patents #259 of 407Top 65%
EXExedy: 1 patents #143 of 223Top 65%
MCMurata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
KUKyoto University: 1 patents #568 of 1,688Top 35%
Kiyosu, JP: #1 of 413 inventorsTop 1%
Overall (All Time): #2,000 of 4,157,543Top 1%
249 Patents All Time

Issued Patents All Time

Showing 201–225 of 249 patents

Patent #TitleCo-InventorsDate
5702510 Aqueous ink of pigment type Hideki Yanagi, Kouichi Sakai, Masayoshi Nawa 1997-12-30
5618647 Magnetic toner and image forming method Tsutomu Kukimoto, Yasuhide Goseki, Motoo Urawa, Masayoshi Shimamura, Keiji Okano +2 more 1997-04-08
5576810 Image forming method Shuichi Aita, Toshiyuki Yoshihara, Tsutomu Kukimoto, Yoshifumi Hano, Yuki Nishio 1996-11-19
5534982 Developing apparatus Katsuhiro Sakaizawa, Motoo Urawa, Tsutomu Kukimoto 1996-07-09
5532101 Image forming method Keita Nozawa, Tsutomu Kukimoto 1996-07-02
5500932 Slip output apparatus Miyoshi Sasakura, Osamu Ohkura, Takehiko Mizoguchi, Satoru Hori 1996-03-19
5485257 Image forming apparatus with endless transfer member Masahide Ueda, Tomoo Izumi, Hiroyuki Yamasaki, Atsuto Hirai, Masahiko Matsuura +3 more 1996-01-16
5442229 Metal lead-film carrier assembly having a plurality of film carriers, and film carrier-semiconductor chip assembly and semiconductor device containing such metal lead-film carrier assembly Takao Mori, Tadahiko Nishimukai, Kenji Yamaguchi 1995-08-15
5421915 Method for preparing same and magnetic head Kanji Nakanishi, Osamu Shimizu, Masaaki Katayama, Tatsuya Isomura 1995-06-06
5398338 Record retrieval method using key bondary value table and condition valid status table 1995-03-14
5371575 Electrophotographic image forming apparatus with detachable imaging cartridge Hitoshi Sekino, Narutaka Yoshida, Takashi Akazawa 1994-12-06
5343223 Image forming apparatus Yoshio Tohyama, Takayuki Ogawa, Tatsuya Eguchi, Norio Tamada, Hirofumi Hasegawa +6 more 1994-08-30
5331495 Thin film magnetic head and methods for producing same Yoshiaki Kato, Joh Ueoka 1994-07-19
5303335 Image forming apparatus Yoichi Iwasaki, Akihiro Nishi 1994-04-12
5227940 Composite magnetic head Tatsuya Isomura, Osamu Shimizu, Kanji Nakanishi 1993-07-13
5202213 Developer with surface treated silicic acid for developing electrostatic image Toshiaki Nakahara, Hirohide Tanikawa, Masatsugu Fujiwara, Kiichiro Sakashita 1993-04-13
5130878 Thin film magnetic head comprising a protective layer Daisuke Mitsuhashi, Noboru Kawasaki, Osamu Shimizu, Takashi Kubo 1992-07-14
5117321 Soft magnetic thin film, method for preparing same and magnetic head Kanji Nakanishi, Osamu Shimizu, Masaaki Katayama, Tatsuya Isomura 1992-05-26
5109281 Video printer with separately stored digital signals printed in separate areas to form a print of multiple images Yasunori Kobori, Hiroyuki Kimura, Kentaro Hamma, Toshihiko Gotoh 1992-04-28
5061576 Thin film magnetic head Osamu Shimizu 1991-10-29
5014089 Developer in an image forming device having a binding resin and magnetic powder Kiichiro Sakashita, Toshiaki Nakahara, Hirohide Tanikawa, Naoki Matsushige, Masatsugu Fujiwara +1 more 1991-05-07
5010800 Electronic musical instrument capable of selecting between fret and fretless modes 1991-04-30
5009973 Image forming method and image forming apparatus Toshiaki Nakahara, Hirohide Tanikawa, Kiichiro Sakashita 1991-04-23
4999272 Electrophotographic analog and digital imaging and developing using magnetic toner Hirohide Tanikawa, Toshiaki Nakahara, Masatsugu Fujiwara, Kiichiro Sakashita 1991-03-12
4985327 Non-magnetic toner Kiichiro Sakashita, Hirohide Tanikawa, Toshiaki Nakahara, Naoki Matsushige, Masatsugu Fujiwara +1 more 1991-01-15