HK

Hirohisa Kikuyama

SC Stella Chemifa: 22 patents #2 of 80Top 3%
HC Hashimoto Chemical Industries Co.: 4 patents #1 of 5Top 20%
HC Hashimoto Chemical: 2 patents #9 of 14Top 65%
FI Frontec Incorporated: 1 patents #20 of 40Top 50%
TW The Japan Steel Works: 1 patents #307 of 643Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Nara, JP: #98 of 2,795 inventorsTop 4%
Overall (All Time): #114,008 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5714407 Etching agent, electronic device and method of manufacturing the device Matagoro Maeno, Masayuki Miyashita, Tatsuhiro Yabune, Jun Takano, Hirofumi Fukui +5 more 1998-02-03
5277835 Surface treatment agent for fine surface treatment Tadahiro Ohmi, Masahiro Miki 1994-01-11
5149378 Tungsten film forming apparatus Tadahiro Ohmi, Nobuhiro Miki, Matagoroh Maeno 1992-09-22
5100495 Dry etching apparatus with diluted anhydrous hydrogen fluoride gas generator Tadahiro Ohmi, Masahiro Miki, Matagoro Maeno 1992-03-31
5073232 Method of anhydrous hydrogen fluoride etching Tadahiro Ohmi, Masahiro Miki, Matagoro Maeno 1991-12-17
5009963 Metal material with film passivated by fluorination and apparatus composed of the metal material Tadahiro Ohmi, Masahiro Miki, Matagoro Maeno 1991-04-23
4795582 Surface treating composition for micro processing Tadahiro Ohmi, Nobuhiro Miki 1989-01-03