AF

Akihiro Fujita

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
KS Kawai Gakki Seisakusho: 11 patents #10 of 198Top 6%
SM Suzuki Motor: 6 patents #65 of 1,209Top 6%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
KC Kowa Company: 6 patents #86 of 562Top 20%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
CC Central Japan Railway Comany: 3 patents #48 of 313Top 20%
IC Idemitsu Kosan Co.: 3 patents #409 of 1,237Top 35%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KC Kawai Musical Inst. Mfg. Co.: 2 patents #7 of 31Top 25%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
NC Nippon Zoki Pharmaceutical Co.: 1 patents #78 of 156Top 50%
MB Mitsuboshi Belting: 1 patents #183 of 333Top 55%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
WU Waseda University: 1 patents #116 of 411Top 30%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
📍 Yokohama, CA: #68 of 287 inventorsTop 25%
Overall (All Time): #40,118 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 1–25 of 59 patents

Patent #TitleCo-InventorsDate
12350936 Liquid discharge head and liquid discharge apparatus Ryohta Matsufuji 2025-07-08
11655114 Sheet conveying device and image forming apparatus incorporating the sheet conveying device 2023-05-23
11179938 Liquid discharge head, head module, head device, liquid discharge device, and liquid discharge apparatus 2021-11-23
10725650 Handwritten music sign recognition device and program 2020-07-28
9027699 Speaker diaphragm, speaker, and production method of speaker diaphragm Tetsuo Mitani, Osamu Murakami, Masashi Hara 2015-05-12
8704067 Musical score playing device and musical score playing program 2014-04-22
8695967 Sheet feeder and image forming apparatus including same 2014-04-15
8452044 Printed matter, image processing apparatus, printed matter authenticity determination apparatus, image processing method, printed matter authenticity determination method, and program Yoshio Yogo, Minoru Ogawa, Keisuke Takayama, Hiroyuki Iwanaga 2013-05-28
8186824 Image forming apparatus with leading-edge detection sensor 2012-05-29
8175298 Audio output system control method and audio output system Akihiro Mitani, Toshiki Murakami, Masahiko Mizoguchi, Akifumi Sakamoto, Koichi Otsuka +3 more 2012-05-08
8151562 Exhaust device of V-type engine for vehicle 2012-04-10
8131128 Audiovisual system and control method thereof Koichi Otsuka, Akihiro Mitani, Toshiki Murakami, Akifumi Sakamoto, Masahiko Mizoguchi +1 more 2012-03-06
8038921 Process for producing molded object with embedded member Yoshifumi Itabashi, Yoshihiro Jizo, Keizou Yoshikawa, Tsuyoshi Fujimoto, Hiromori Ishihara +3 more 2011-10-18
7997376 Exhaust system for a vehicle 2011-08-16
7986031 Resin molding part and manufacturing method thereof Mitsuaki Nakata, Tomonori Abe, Kosei Tsuji, Yuhei Awano, Kazuhiko Yamashita +3 more 2011-07-26
7950334 Ground coil device for magnetic levitation railway and method for manufacture thereof Tomomi Hasegawa, Futoshi Yonekawa, Yoshihiro Jizo, Yoshifumi Itabashi, Keizo Yoshikawa +3 more 2011-05-31
7950797 Image forming apparatus Shinichiro Naruse, Yohzoh Dohki 2011-05-31
7931119 Support structure for exhaust pipe 2011-04-26
7926264 Vehicle exhaust system 2011-04-19
7891657 Sheet feeder, image forming apparatus, and sheet feeding method, utilizing sheet deformation prevention member 2011-02-22
7849959 Exhaust pipe structure for vehicle Hossain Amir 2010-12-14
7767899 Electronic musical instrument 2010-08-03
7712892 Image forming apparatus Hajime Nishida, Manabu Nonaka, Eiki Yoshimizu, Shinichiro Naruse, Yasuhiro Kawashima +10 more 2010-05-11
7713197 Pressure measuring method, pressure measuring device, and tonometer Makoto Nakai, Sunao Takeda, Akihiko Uchiyama, Kenji Yanashima, Itaru Yoshizawa 2010-05-11
7611138 Paper feeder and image forming apparatus using the same Manabu Nonaka, Hajime Nishida 2009-11-03