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 151–175 of 208 patents

Patent #TitleCo-InventorsDate
6757089 Optical scanning device having a deflection mirror to scan a scanned surface at a constant velocity via a light beam to obtain a large effective write width 2004-06-29
6744545 Optical scanning lens, optical scanning device and image forming apparatus Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Magane Aoki +5 more 2004-06-01
6739695 Printing apparatus Sohichi Yoshimura, Hiroki Etoh, Naoyuki Kamei, Michiaki Nishimura 2004-05-25
6669320 Serial recording apparatus Kimiko Watanabe, Yoshikazu Kondoh, Mikiya Okada, Kenichi Ueda, Yoshinori Nakahira 2003-12-30
6657765 Optical deflecting unit, optical scanning unit, image forming apparatus, and method of producing optical unit Eiji Mochizuki, Tomohiro Nakajima 2003-12-02
6620596 Method of preparing a guanosine-group compound Yoichi Mikami, Seiichiro Matsumoto, Toyoki Sato 2003-09-16
6608941 Image processing apparatus Michiyuki Suzuki 2003-08-19
6587245 Optical scanning device, optical scanning method, and image forming apparatus 2003-07-01
6573921 Optical scanning device and image forming apparatus using the optical scanning device 2003-06-03
6563241 A. C. generator for vehicles having loose-free terminal structure Hitoshi Irie 2003-05-13
6531849 Alternator for vehicles Shigenobu Nakamura 2003-03-11
6462853 Optical scanning device 2002-10-08
6445482 Optical scanning apparatus 2002-09-03
6400391 Optical scanning lens, optical scanning device and image forming apparatus Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Magane Aoki +5 more 2002-06-04
6369927 Optical scanning apparatus 2002-04-09
6317246 Multi-beam scanning apparatus Atsushi Kawamura, Kenichi Takanashi 2001-11-13
6229638 Optical scanning apparatus capable of reducing variations in shading and improving light usage Kohji Sakai 2001-05-08
6222662 Optical scanning device and a scanning lens therefor Seizo Suzuki, Kouji Masuda 2001-04-24
6198562 Multi-beam scanning device and image forming system and method using the same Atsushi Kawamura 2001-03-06
6192153 Image processing device Michiyuki Suzuki, Kiwamu Morita 2001-02-20
6185026 Multi-beam scanning apparatus Atsushi Kawamura, Kenichi Takanashi 2001-02-06
6150741 Alternating current generator for vehicles having improved output terminal fixing structure Hitoshi Irie 2000-11-21
6141133 Optical scanning device and a scanning lens therefor Seizo Suzuki, Kouji Masuda 2000-10-31
6125251 Image forming device having internal access capability Yoshinori Shiraishi, Hidetoshi Kaneko, Yasushi Matsutomo, Minoru Tomiyori 2000-09-26
6104522 Optical scanning apparatus with controlled sag and ghost Seizo Suzuki 2000-08-15