KO

Keiji Oono

WI Wako Pure Chemical Industries: 14 patents #6 of 377Top 2%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
📍 Sakado, JP: #17 of 173 inventorsTop 10%
Overall (All Time): #354,589 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7741242 Palladium catalyst composition Shu Kobayashi, Atsunori Sano 2010-06-22
7618914 Method for producing hydroxylamine compound using platinum catalyst fixed on ion-exchange resin Mutsumi Sato 2009-11-17
RE40211 Diazodisulfones Fumiyoshi Urano, Masaaki Nakahata, Hirotoshi Fujie 2008-04-01
6723483 Sulfonium salt compounds Kazuhito Fukasawa, Kazunori Sakamoto, Fumiyoshi Urano, Motoshige Sumino, Shigeaki Imazeki 2004-04-20
6033826 Polymer and resist material Fumiyoshi Urano, Hirotoshi Fujie 2000-03-07
5976759 Polymer composition and resist material Fumiyoshi Urano, Hirotoshi Fujie 1999-11-02
5677112 Process for forming a pattern on a semiconductor substrate using a deep ultraviolet absorbent composition Fumiyoshi Urano, Hiroshi Matsuda, Masayuki Endo, Satoshi Kobayashi 1997-10-14
5670299 Pattern formation process Fumiyoshi Urano, Hirotoshi Fujie, Takaaki Negishi 1997-09-23
5627006 Resist material Fumiyoshi Urano, Hirotoshi Fujie 1997-05-06
5576359 Deep ultraviolet absorbent composition Fumiyoshi Urano, Hiroshi Matsuda, Masayuki Endo, Satoshi Kobayashi 1996-11-19
5498748 Anthracene derivatives Fumiyoshi Urano, Hiroshi Matsuda 1996-03-12
5468589 Resist material and pattern formation process Fumiyoshi Urano, Hirotoshi Fujie, Takaaki Negishi 1995-11-21
5350660 Chemical amplified resist material containing photosensitive compound capable of generating an acid and specific polystyrene copolymer having functional groups that become alkali-soluble under an acid atmosphere Fumiyoshi Urano, Masaaki Nakahata, Hirotoshi Fujie 1994-09-27
5216135 Diazodisulfones Fumiyoshi Urano, Masaaki Nakahata, Hirotoshi Fujie 1993-06-01