P

Inventor

CHIBA KAZUAKI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “CHIBA KAZUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHINETSU CHEMICAL CO

3 patents
US7767366B2Aug 3, 2010

Photomask blank and photomask

SHINETSU CHEMICAL CO34 citations92
US8012654B2Sep 6, 2011

Photomask blank and photomask

SHINETSU CHEMICAL CO11 citations83
US8003284B2Aug 23, 2011

Photomask blank and photomask

SHINETSU CHEMICAL CO9 citations83

TOPPAN PRINTING CO LTD

2 patents
US7767367B2Aug 3, 2010

Photomask blank and photomask making method

TOPPAN PRINTING CO LTD10 citations83
US7989124B2Aug 2, 2011

Photomask blank and photomask making method

TOPPAN PRINTING CO LTD6 citations73

TOKYO ELECTRON LTD

1 patent
US9388495B2Jul 12, 2016

Method of forming mask structure

TOKYO ELECTRON LTD1 citations51