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 1–25 of 131 patents

Patent #TitleCo-InventorsDate
12279821 Refractive property measurement device, measurement tool, and refractive property measurement method 2025-04-22
12270099 Film-forming device, film-forming unit, and film-forming method 2025-04-08
12245814 Refraction measuring apparatus 2025-03-11
12188872 Adhesion interface observation method Yugo Tomita, Tomoya Yoshida, Kosuke Kawai 2025-01-07
11873364 Method for producing conjugated diene rubber Takuro SAKURAI, Mana Fujii, Hisakatsu Hama 2024-01-16
11566094 Modified conjugated diene rubber Takuro SAKURAI, Mana Fujii, Hisakatsu Hama 2023-01-31
11530287 Conjugated-diene-based rubber Takuro SAKURAI, Mana Fujii, Hisakatsu Hama 2022-12-20
11407056 Pierce metal for joining different materials and method of joining different materials using pierce metal Tatsunori MATSUNAGA, Seigo Shimizu, Kunpei Ito, Yugo Tomita 2022-08-09
10614276 Profile information exchange system 2020-04-07
10308832 Hydraulic transfer film and molded product decorated using same Masatoshi Sutou, Takami Sendai 2019-06-04
10266613 Conjugated diene polymer and method of production of conjugated diene polymer Takuro SAKURAI, Hidenori Yamagishi 2019-04-23
10239983 Method for production of conjugated diene rubber Eijun Ueda 2019-03-26
9982065 Method of production of conjugated diene rubber Takuro SAKURAI 2018-05-29
9868794 Method for producing conjugated diene rubber Tatsuo Sasajima 2018-01-16
9259908 Shaping sheet, resin decorative plate and method for manufacturing the same Kenichi Tachihara, Seiichi Ishida 2016-02-16
9120248 Shaped sheet Nobuo Saitou, Toshitake Kobayashi, Kenichi Tachihara 2015-09-01
8372918 Nitrile group-containing highly saturated copolymer rubber 2013-02-12
8216506 Method of processing plant Norio Takakura, Ryohei Kuramatsu 2012-07-10
8187695 Shaping sheet, resin decorative material and method of producing the same Yoichi Hirota, Kenichi Tachihara 2012-05-29
8042945 Multifocal intraocular lens simulator and method of simulating multifocal intraocular lens Moriyasu Kanai 2011-10-25
7433095 Reflective scanning optical system Shohei MATSUOKA 2008-10-07
7106484 Scanning optical system Shuichi Takeuchi 2006-09-12
7066437 Portable bookstand 2006-06-27
6999216 Reflective scanning optical system 2006-02-14
6975441 Scanning optical system 2005-12-13