HF

Hitoshi Fujiwara

Ricoh Company: 32 patents #573 of 9,818Top 6%
Kawasaki: 9 patents #199 of 2,943Top 7%
JA Japan Aerospace Exploration Agency: 9 patents #4 of 546Top 1%
F& F&F: 7 patents #1 of 4Top 25%
SS Suwa Seikosha: 3 patents #32 of 220Top 15%
EP Epson: 3 patents #6 of 66Top 10%
SI Seiko Instruments: 2 patents #605 of 1,437Top 45%
MC Mabuchi Motor Co.: 2 patents #62 of 228Top 30%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
SS Sii P & S: 1 patents #8 of 14Top 60%
CC C.Uyemura & Co.: 1 patents #85 of 180Top 50%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
HA Hakko: 1 patents #35 of 70Top 50%
IS Ist: 1 patents #20 of 49Top 45%
MC M.I.T. International Co.: 1 patents #3 of 3Top 100%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
SK Shinshu Seiki Kabushiki Kaisha: 1 patents #14 of 38Top 40%
📍 Tokyo, CA: #135 of 583 inventorsTop 25%
Overall (All Time): #34,471 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 26–50 of 64 patents

Patent #TitleCo-InventorsDate
9664391 Gas turbine combustor Masayoshi Kobayashi, Takeo Oda, Ryusuke Matsuyama, Atsushi Horikawa 2017-05-30
9429324 Fuel injector with radial and axial air inflow Ryusuke Matsuyama, Masayoshi Kobayashi, Takeo Oda, Atsushi Horikawa, Shigeru Hayashi +4 more 2016-08-30
9429891 Fixing device and image forming apparatus Shigeo Nanno, Yutaka Naitoh, Minoru Toyoda, Tomohiko Fujii 2016-08-30
9366442 Pilot fuel injector with swirler Ryusuke Matsuyama, Masayoshi Kobayashi, Takeo Oda, Atsushi Horikawa, Shigeru Hayashi +4 more 2016-06-14
9342044 Fixing device and image forming apparatus and method of assembling the fixing device Yutaka Naitoh, Tomohiko Fujii, Minoru Toyoda, Tomoya Adachi, Yasuharu Kawarasaki +3 more 2016-05-17
9261835 Fixing device and image forming apparatus Yasuharu Kawarasaki, Tomoya Adachi, Yutaka Naitoh, Masahiro Samei 2016-02-16
9182709 Fixing device, image forming apparatus with same, and method of assembling fixing device Yutaka Naitoh, Shigeo Nanno, Tomohiko Fujii, Minoru Toyoda, Tomoya Adachi +2 more 2015-11-10
9164435 Fixing device and image forming apparatus Tomoya Adachi, Atsushi Takehara, Tomohiko Fujii, Yutaka Naitoh, Minoru Toyoda +9 more 2015-10-20
9109553 Fuel injector Ryusuke Matsuyama, Masayoshi Kobayashi, Atsushi Horikawa 2015-08-18
9104150 Fixing unit, image forming apparatus incorporating the fixing unit, and image forming method Minoru Toyoda, Tomohiko Fujii, Tomoya Adachi, Yutaka Naitoh, Yoshiharu Takahashi +1 more 2015-08-11
9063486 Fixing device and image forming apparatus Shigeo Nanno, Yutaka Naitoh, Minoru Toyoda, Tomohiko Fujii 2015-06-23
9052652 Fixing device including a friction reducer and an image forming apparatus including the fixing device Tomohiko Fujii, Shigeo Nanno, Minoru Toyoda, Tomoya Adachi, Yasuharu Kawarasaki 2015-06-09
9046843 Fixing device and image forming apparatus Tomohiko Fujii, Shigeo Nanno, Yutaka Naitoh, Minoru Toyoda, Tomoya Adachi +1 more 2015-06-02
9008559 Fixing device with mechanism capable of heating belt effectively and image forming apparatus incorporating same Tomoya Adachi, Shigeo Nanno, Tomohiko Fujii, Yutaka Naitoh, Minoru Toyoda 2015-04-14
8579174 Tag attaching pin attaching apparatus Hideyuki Ueno 2013-11-12
8338954 Semiconductor apparatus and fabrication method thereof Takayasu Horasawa, Kenichi Kazama 2012-12-25
7921637 High bypass-ratio turbofan jet engine Ryoji Yanagi 2011-04-12
7887287 Turbofan jet engine Ryoji Yanagi, Hisao Futamura 2011-02-15
7036925 Printer 2006-05-02
6987523 Paper feeder and printer 2006-01-17
6963812 Product market quality information analyzing back up apparatus, product market quality information analyzing back up system and program for product market quality information analyzing back up Yasuhiro Yamaguchi, Sadayoshi Hori, Hidenori Umeda 2005-11-08
6877735 Paper sheet managing device and recording system 2005-04-12
6831670 Printer 2004-12-14
6801822 PRODUCTION MANAGEMENT SYSTEM, CLIENT IN THE PRODUCTION MANAGEMENT SYSTEM, PRODUCTION MANAGEMENT METHOD IN THE PRODUCTION MANAGEMENT SYSTEM, DATA RETRIEVAL METHOD IN THE PRODUCTION MANAGEMENT SYSTEM, AND COMPUTER PRODUCT Yasuhiro Yamaguchi, Hidenori Umeda, Tatsuya Sakiyama, Yuichi Jibiki 2004-10-05
6626597 Printer assembly and printer 2003-09-30