TI

Takashi Iizuka

PE Pentax: 71 patents #7 of 761Top 1%
PE Pentax: 20 patents #14 of 396Top 4%
Canon: 8 patents #7,260 of 19,416Top 40%
ZE Zeon: 8 patents #79 of 734Top 15%
Dai Nippon Printing Co.: 4 patents #587 of 2,222Top 30%
SE Sega Enterprises: 4 patents #74 of 515Top 15%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
ZC Zs Elastomers Co.: 3 patents #2 of 9Top 25%
AK Asahi Kogaku Kogyo K.K.: 3 patents #38 of 180Top 25%
HT Hoya Lens Thailand: 2 patents #37 of 94Top 40%
SU Subaru: 2 patents #474 of 1,684Top 30%
HO Hoya: 2 patents #523 of 1,290Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HY Hymo: 1 patents #7 of 30Top 25%
AT AT&T: 1 patents #10,626 of 18,772Top 60%
📍 Tokyo, CO: #3 of 23 inventorsTop 15%
Overall (All Time): #8,196 of 4,157,543Top 1%
131
Patents All Time

Issued Patents All Time

Showing 76–100 of 131 patents

Patent #TitleCo-InventorsDate
5896218 Scanning optical systems 1999-04-20
5892611 Laser drawing apparatus 1999-04-06
5867299 Cascade scanning optical system Masatoshi Takano, Eiji Takasugi, Shinji Kikuchi, Tsutomu Sato, Hiroyuki Saito +3 more 1999-02-02
5844592 Optical image forming device having a plurality of drawing beams and a monitoring beam 1998-12-01
5828479 Cascade scanning optical system Masatoshi Takano, Eiji Takasugi, Shinji Kikuchi, Tsutomu Sato, Hiroyuki Saito +3 more 1998-10-27
5825522 Cascade scanning optical system Masatoshi Takano, Eiji Takasugi, Shinji Kikuchi, Tsutomu Sato, Hiroyuki Saito +3 more 1998-10-20
5818621 Scanning optical system 1998-10-06
5798784 Laser drawing apparatus featuring a beam separator supported by an adjusting means swingable about a rotating shaft Jun Nonaka, Shuichi Shimizu, Satoru Kobayashi 1998-08-25
5790275 Scanning optical system 1998-08-04
5777774 Reflection scanning optical system 1998-07-07
5764399 Scanning lens 1998-06-09
5748354 Reflection-type scanning optical system 1998-05-05
5745150 Laser drawing apparatus having drawing beams in a common place aligned with a lens meridian 1998-04-28
5745296 Multibeam recording device Tetsuya Nakamura, Koichi Maruyama 1998-04-28
5737112 Scanning optical systems 1998-04-07
5726792 Scanning lens 1998-03-10
5691835 Scanning lens 1997-11-25
5677798 Image forming lens system Hiroyuki Hirano, Takayuki Ito 1997-10-14
5648865 Scanning optical system 1997-07-15
5646767 Scanning optical system Mitsunori Iima 1997-07-08
5604622 Laser scanning device Ryota Ogawa 1997-02-18
5596424 Scanning optical system having image forming optical system and reading optical system with at least one common optical component Yoshihiro Yamazaki 1997-01-21
5587825 Scanning optical system 1996-12-24
5572353 Laser scanning device Ryota Ogawa 1996-11-05
5543955 Optical scanning system Yoshihiro Yamazaki, Toshio Kasai 1996-08-06