SY

Seiji Yamaguchi

Sumitomo Electric Industries: 31 patents #458 of 21,551Top 3%
Canon: 30 patents #1,833 of 19,416Top 10%
Honda Motor Co.: 20 patents #634 of 21,052Top 4%
TC Toyoda Gosei Co.: 18 patents #101 of 2,296Top 5%
OC Olympus Optical Co.: 10 patents #326 of 2,334Top 15%
KT Kabushiki Kaisha Toshiba: 8 patents #3,802 of 21,451Top 20%
SG Sumita Optical Glass: 7 patents #7 of 59Top 15%
KM Konica Minolta: 6 patents #346 of 1,361Top 30%
KM Konica Minolta: 3 patents #1,112 of 2,718Top 45%
UI Ube Material Industries: 3 patents #14 of 58Top 25%
TC Toyo Ink Sc Holdings Co.: 2 patents #33 of 144Top 25%
KO Konica: 2 patents #962 of 1,958Top 50%
SC Shibaura Engineering Works Co.: 2 patents #1 of 28Top 4%
IC Ichibiki Co.: 2 patents #4 of 19Top 25%
JC Jidosha Kiki Co.: 2 patents #82 of 196Top 45%
TC Toyo Ink Co.: 2 patents #11 of 41Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
CF Chubu University Educational Foundation: 1 patents #13 of 38Top 35%
CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
DE Denso: 1 patents #6,940 of 11,792Top 60%
EC Elmo Co.: 1 patents #41 of 62Top 70%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
NB Nec Biglobe: 1 patents #2 of 18Top 15%
OC Ohi Seisakusho Co.: 1 patents #94 of 196Top 50%
OS Olympus Medical Systems: 1 patents #501 of 833Top 65%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AE Asahi Kasei E-Materials: 1 patents #57 of 141Top 45%
📍 Kiyosu, JP: #2 of 413 inventorsTop 1%
Overall (All Time): #6,379 of 4,157,543Top 1%
148
Patents All Time

Issued Patents All Time

Showing 26–50 of 148 patents

Patent #TitleCo-InventorsDate
7999398 Solid state device Masaaki Ohtsuka, Naruhito Sawanobori, Kazuya Aida, Hiroki Watanabe, Yoshinobu Suehiro +1 more 2011-08-16
7989236 Method of making phosphor containing glass plate, method of making light emitting device Takashi Nonogawa, Yoshinobu Suehiro, Hiroki Watanabe, Kazuya Aida 2011-08-02
7969741 Substrate structure Haruo Hayakawa, Masahiro Ono, Yoshihiro Uda, Kazuhiro Shinchi, Satoru Tomekawa +7 more 2011-06-28
7881623 Image forming apparatus with developer supply control 2011-02-01
7872410 Light emitting device and light emitter Koji Tasumi, Yoshinobu Suehiro 2011-01-18
7825575 Solid-state element device and light-emitting apparatus using same Naruhito Sawanobori, Masaaki Ohtsuka, Kazuya Aida, Hiroko Sakaji, Hiroki Watanabe +2 more 2010-11-02
7822367 Image forming apparatus, cartridge, storage device and developer supplying method Issei Imamura 2010-10-26
7714333 Solid-state element and solid-state element device Yoshinobu Suehiro 2010-05-11
7701481 Video magnifer with irradiating pointer Katsuya Mizukami 2010-04-20
7667223 Solid-state optical device Yoshinobu Suehiro, Naruhito Sawanobori, Masaaki Ohtsuka, Hiroki Watanabe, Kazuya Aida 2010-02-23
7665385 Braking force input system Kenichi Misaki, Masamoto Ito, Kenji Nakamura 2010-02-23
7634215 Developing apparatus Issei Imamura 2009-12-15
7603065 Image forming apparatus, cartridge, storage device and developer supplying method Issei Imamura 2009-10-13
7583916 Image forming apparatus Hiroaki Ogata, Syuhei Kawasaki, Shinji Uehara 2009-09-01
7534002 Lighting device Yoshinobu Suehiro 2009-05-19
7491981 Light-emitting device and glass seal member therefor Yoshinobu Suehiro 2009-02-17
7469947 Instrument panel of motorcycle Yoshihiro Takanashi, Kenta Nakamura, Masaru Nakayama 2008-12-30
7470926 Solid-state optical device Yoshinobu Suehiro, Naruhito Sawanobori, Masaaki Ohtsuka, Hiroki Watanabe, Kazuya Aida 2008-12-30
7429750 Solid-state element and solid-state element device Yoshinobu Suehiro 2008-09-30
7346547 Method, device, system, and program for transaction of contents through network 2008-03-18
7346298 Developing device, process cartridge, and electrophotographic image-forming apparatus Tachio Kawai, Syuhei Kawasaki, Issei Imamura 2008-03-18
7341364 Tail lamp structure for vehicles Yoshihiro Takanashi, Kenta Nakamura, Masaru Nakayama 2008-03-11
7306640 Vacuum cleaner Yoshiki Kuroki, Tomonori Kato, Masashi Okushima, Yuichi Shimizu, Tomomi Mitani +7 more 2007-12-11
7280796 Image forming apparatus Hiroshi Isokawa, Ritsuo Fujii 2007-10-09
7257353 Developing apparatus Tachio Kawai, Syuhei Kawasaki 2007-08-14