YF

Yasuhiro Fujiwara

HO Hoya: 36 patents #9 of 1,290Top 1%
CC Clover Mfg. Co.: 11 patents #4 of 39Top 15%
Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
OC Olympus Optical Co.: 4 patents #789 of 2,334Top 35%
TI Toyota Industries: 3 patents #276 of 955Top 30%
Canon: 2 patents #12,681 of 19,416Top 70%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
OD Oki Data: 2 patents #320 of 635Top 55%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
NU National University Corporation Gunma University: 1 patents #97 of 263Top 40%
SC Sekisui Plastics Co.: 1 patents #60 of 144Top 45%
Overall (All Time): #21,001 of 4,157,543Top 1%
83
Patents All Time

Issued Patents All Time

Showing 1–25 of 83 patents

Patent #TitleCo-InventorsDate
12326683 Image forming apparatus and method to form an invisible image and a visible image in a multi-pass simplex manner 2025-06-10
11754959 Image forming apparatus and method to form an invisible image and a visible image in a multi-pass simplex manner 2023-09-12
11689679 Image forming apparatus 2023-06-27
11472205 Conveying device, liquid discharge apparatus, image forming apparatus, and post-processing apparatus 2022-10-18
11065877 Drying device and inkjet printer therewith 2021-07-20
10378144 Handheld roller device for sewing Joan Hawley, Yui Teramoto 2019-08-13
D830684 Bobbin holder Rie Shirai 2018-10-16
D828010 Handheld roller device for sewing Joan Hawley, Yui Teramoto 2018-09-11
9971269 Discharging method for latent image bearer and image forming apparatus Ryouhei Ohi, Takafumi Miyazaki, Yuuji Meguro 2018-05-15
9828280 Glass, optical glass, glass raw material for press molding, and optical element Shuhei Mikami 2017-11-28
D789785 Packaging container for small articles 2017-06-20
9604872 Glass and optical element production method Shuhei Mikami 2017-03-28
9594290 Monitoring apparatus for controlling operation of shutter Hirofumi ENOMOTO, Jyouji Wada 2017-03-14
9561980 Optical glass, optical glass blank, glass material for press molding, optical element, and methods for producing them Shungo Kuwatani 2017-02-07
9550698 Optical glass and use thereof 2017-01-24
9507293 Image forming apparatus and image carrier unit 2016-11-29
9359246 Glass, optical glass, glass raw material for press molding, and optical element Shuhei Mikami 2016-06-07
9255028 Optical glass, precision press molding preform, and optical element and method of manufacturing the same Tomoaki Negishi 2016-02-09
9175195 Adhesive hydrogel and use thereof Kaori Sato, Takaaki Hatori 2015-11-03
9164435 Fixing device and image forming apparatus Tomoya Adachi, Atsushi Takehara, Tomohiko Fujii, Yutaka Naitoh, Minoru Toyoda +9 more 2015-10-20
9146505 Image forming apparatus Takeshi Yamashita 2015-09-29
9121117 Beading loom Yui Teramoto 2015-09-01
9025994 Image forming apparatus Takeshi Yamashita, Yoshie Iwakura 2015-05-05
8983323 Color image forming apparatus with a line velocity difference set between image carriers Takeshi Yamashita, Yuji Nagatomo, Naoki Nakatake, Takafumi Miyazaki, Yasuhide Matsuno +5 more 2015-03-17
8971743 Image forming apparatus and image forming method Takafumi Miyazaki, Naoki Nakatake, Yuji Nagatomo, Yasuhide Matsuno, Takahiro Sanada +3 more 2015-03-03