KT

Koji Tasaka

KO Konica: 9 patents #255 of 1,958Top 15%
KO Konica Minolta Opto: 5 patents #76 of 418Top 20%
KM Konica Minolta: 3 patents #1,112 of 2,718Top 45%
Overall (All Time): #276,776 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8952600 Circularly polarizing plate and three-dimensional image display apparatus Rieko Ren, Kouji Tashiro 2015-02-10
8580358 Cellulose ester film, polarizing plate for in-plane-switching mode display and in-plane-switching mode display using the cellulose ester film Takashi Takebe, Kunio Shimizu, Shigeki Oka 2013-11-12
7924379 Liquid crystal display 2011-04-12
7854864 Method for manufacturing an optical film having a convexoconcave structure Akira Sato, Masaru Iwagaki, Hirokazu Sato, Shigeto Ohmori, Kazuhiro Miyazawa +4 more 2010-12-21
7740919 Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display Hiroki Umeda, Noriyasu Kuzuhara, Takatoshi Yajima 2010-06-22
7709067 Cellulose ester film, polarizing plate and liquid crystal display Takahiro Takagi, Isamu Michihata, Noriyasu Kuzuhara, Koichi Saito, Hiroki Umeda +2 more 2010-05-04
7599028 Polarizing plate and liquid crystal display employing the same Noriyasu Kuzuhara, Hiroki Umeda, Takatoshi Yajima 2009-10-06
7345725 Optical compensation film, polarizing plate and liquid crystal display Hiroki Umeda, Takatoshi Yajima, Noriyasu Kuzuhara 2008-03-18
7306832 Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display Hiroki Umeda, Noriyasu Kuzuhara, Takatoshi Yajima 2007-12-11
7218367 Optical compensation sheet and liquid crystal display Hiroki Umeda, Noriyasu Kuzuhara, Nobuo Kubo, Sota Kawakami, Nobuyuki Takiyama 2007-05-15
7199848 Optical compensation sheet and liquid crystal display Noriyasu Kuzuhara, Nobuo Kubo, Hiroki Umeda, Nobuyuki Takiyama, Takatoshi Yajima 2007-04-03
7184112 Polarizing plate having cellulose ester films on opposite sides thereof and liquid crystal display employing the same Noriyasu Kuzuhara, Hiroki Umeda, Takatoshi Yajima 2007-02-27
7158200 Optical compensation sheet and liquid crystal display Noriyasu Kuzuhara, Nobuo Kubo, Hiroki Umeda, Nobuyuki Takiyama, Takatoshi Yajima 2007-01-02
7105213 Optical compensation film, viewing angle compensation integral type polarizing plate and liquid crystal display apparatus Takatoshi Yajima, Noriyasu Kuzuhara, Hiroki Umeda 2006-09-12
7038744 Polarizing plate having a stretched film on a side thereof and liquid crystal display employing the same Noriyasu Kuzuhara, Hiroki Umeda, Takatoshi Yajima 2006-05-02
6881457 Optical compensation film, viewing angle compensation integral type polarizing plate and liquid crystal display apparatus Takatoshi Yajima, Noriyasu Kuzuhara, Hiroki Umeda 2005-04-19
6814914 Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display Hiroki Umeda, Noriyasu Kuzuhara, Takatoshi Yajima 2004-11-09