HN

Hiroshi Niizuma

TC Toagosei Co.: 7 patents #19 of 338Top 6%
DC Diesel Kiki Co.: 1 patents #181 of 366Top 50%
TC Toagosei Chemical Industry Co.: 1 patents #32 of 115Top 30%
Overall (All Time): #581,657 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7670752 Photosensitive resin composition, composition for solder resist, and photosensitive dry film Makoto Hirakawa, Masao Takei 2010-03-02
7375052 Process for producing metal oxide catalyst Xinlin Tu, Yuuichi Sumida, Mamoru Takahashi 2008-05-20
7304180 Process for producing metal oxide catalyst Xinlin Tu, Yuuichi Sumida, Mamoru Takahashi 2007-12-04
6512141 Process for preparing metal oxide catalyst for acrylic acid production Xinlin Tu, Mamoru Takahashi 2003-01-28
6432870 Process for preparing metal oxide catalyst for acrylic acid production Xinlin Tu, Mamoru Takahashi 2002-08-13
6346647 Catalyst for the production of acrylic acid Xinlin Tu, Mamoru Takahashi, Madoka Furuta 2002-02-12
6291393 Catalyst for the production of acrylic acid Xinlin Tu, Mamoru Takahashi, Madoka Furuta 2001-09-18
4677225 Process for the production of acrylic acid or methacrylic acid Toshiro Miki, Shiro Kojima, Kishiro Azuma, Hiroyuki Kato, Yuichi Murakami +1 more 1987-06-30
4266604 Heat exchanger with fluid tanks made of synthetic resin Seiji Sumikawa, Hiromichi Tonegawa, Tsuneo Torizuka, Yoichiro Furuya, Norio Takashima 1981-05-12