YH

Yoshinori Hayashi

Ricoh Company: 120 patents #18 of 9,818Top 1%
Yamaha: 22 patents #72 of 2,001Top 4%
DE Denso: 19 patents #459 of 11,792Top 4%
SM Shibaura Mechatronics: 13 patents #6 of 175Top 4%
Sharp Kabushiki Kaisha: 9 patents #1,853 of 10,731Top 20%
NS Nippon Gakki Seizo: 8 patents #32 of 332Top 10%
YC Yuki Gosei Kogyo Co.: 4 patents #5 of 36Top 15%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
CM Covalent Materials: 2 patents #16 of 81Top 20%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
Canon: 2 patents #12,681 of 19,416Top 70%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
NC Nissin Electric Co.: 1 patents #95 of 208Top 50%
KC Kowa Company: 1 patents #310 of 562Top 60%
KK Kureha Kagaku Kogyo: 1 patents #332 of 607Top 55%
RR Ricoh Technology Research: 1 patents #2 of 9Top 25%
PC Pacific Industrial Co.: 1 patents #64 of 133Top 50%
📍 Iwata, JP: #1 of 782 inventorsTop 1%
Overall (All Time): #3,073 of 4,157,543Top 1%
208
Patents All Time

Issued Patents All Time

Showing 126–150 of 208 patents

Patent #TitleCo-InventorsDate
7110016 Optical scanner and imaging apparatus using the same Seizo Suzuki, Kazuyuki Shimada 2006-09-19
7106483 Optical scanner and image forming apparatus Hiromichi Atsuumi, Yasutaka Izumi 2006-09-12
7088484 Optical scanning method and system capable of performing high speed scanning and high resolution, and image forming apparatus having the optical scanning system Naoki Miyateke 2006-08-08
7072127 Optical scanning lens, optical scanning device and image forming apparatus Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Magane Aoki +5 more 2006-07-04
7068296 Optical scanning device for reducing a dot position displacement at a joint of scanning lines Tomohiro Nakajima, Mitsumi Fujii, Yukito Satoh, Eiji Mochizuki 2006-06-27
7050210 Optical scanning device and imaging apparatus implementing the same Hiromichi Atsuumi, Naoki Miyatake 2006-05-23
7042584 Complex image processing apparatus Kimiko Watanabe, Naoyuki Kamei, Fumikazu Nagano 2006-05-09
7006120 Multi-beam optical scanning apparatus and image forming apparatus Kohji Sakai, Magane Aoki, Seizo Suzuki, Hiromichi Atsuumi 2006-02-28
6987593 Optical scanning device and image forming apparatus using the same Naoki Miyatake 2006-01-17
6977762 Optical scanning device decreasing amount of change in relative scanning position 2005-12-20
6956685 Multi-beam scanner, multi-beam scanning method, synchronizing beam detecting method and image forming apparatus 2005-10-18
6941087 Image forming apparatus and initialization control method therefor Kazunori Miyamoto, Kouichi Eto, Motohiro Hayashi, Takeshi Yamaguchi, Masakazu Suzuki 2005-09-06
6937371 Optical scanner and image formation apparatus Seizo Suzuki, Atsushi Kawamura, Hiromichi Atsuumi, Kohji Sakai, Akihisa Itabashi 2005-08-30
6934061 Optical scanner and image reproducing apparatus Nobuaki Ono 2005-08-23
6906739 Optical scanner and imaging apparatus using the same Seizo Suzuki, Kazuyuki Shimada 2005-06-14
6903856 Optical scanning device decreasing amount of change in relative scanning position 2005-06-07
6870652 Optical scanning lens, optical scanning device and image forming apparatus Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Magane Aoki +5 more 2005-03-22
6867890 Method and apparatus for optical scanning capable of reducing a dot position displacement and a dot diameter variation Seizo Suzuki, Junichi Yazawa, Masahiro Soeda 2005-03-15
6803941 Image forming apparatus with overlapped light fluxes forming a dot Taira Kouchiwa, Yutaka Ebi 2004-10-12
6796736 Image forming device having front and side covers Yoshinori Shiraishi, Hidetoshi Kaneko, Yasushi Matsutomo, Minoru Tomiyori 2004-09-28
6788444 Method and apparatus for optical scanning capable of reducing a dot position displacement and a dot diameter variation Seizo Suzuki, Junichi Yazawa, Masahiro Soeda 2004-09-07
6788446 Optical scanning apparatus 2004-09-07
6771296 Optical scanning device and method for providing specific dot offsets at center and ends of scan width Takeshi Ueda 2004-08-03
6771407 Optical scanner and image formation apparatus Seizo Suzuki, Atsushi Kawamura, Hiromichi Atsuumi, Kohji Sakai, Akihisa Itabashi 2004-08-03
6768506 Image formation with a reduced recording position deviation between scanning optical systems Satoru Itoh 2004-07-27