NT

Naoki Takeyama

SC Sumitomo Chemical: 21 patents #128 of 4,033Top 4%
Overall (All Time): #211,277 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
RE40964 Negative type resist composition Masumi Suetsugu, Takehiro Kusumoto, Masanori Shinada 2009-11-10
6656660 Resist composition Fumiyoshi Urano, Hirotoshi Fujie, Koji Ichikawa 2003-12-02
6329119 Negative type resist composition Masumi Suetsugu, Takehiro Kusumoto, Masanori Shinada 2001-12-11
6280902 Positive working photoresist compositions comprising a nitrogen-containing cyclic compound Yuko Yako 2001-08-28
6156476 Positive photoresist composition Hiromi Ueki, Yuji Ueda, Takehiro Kusumoto, Yuko Nakano 2000-12-05
5985511 Photoresist composition Yuko Yako, Kenji Takahashi 1999-11-16
5965748 Succinimide derivative, process for production and use thereof Akira Kamabuchi, Jun Tomioka, Haruyoshi Osaki 1999-10-12
5876895 Photosensitive resin composition for color filter Yoshiki Hishiro, Shigeki Yamamoto 1999-03-02
5846688 Photoresist composition Nobuhito Fukui, Yuji Ueda, Takehiro Kusumoto, Yuko Yako, Shigeki Yamamoto 1998-12-08
5800966 Positive photoresist composition Yuji Ueda, Hiromi Ueki, Takehiro Kusumoto 1998-09-01
5731110 Photoresist composition for use in color filters Yoshiki Hishiro, Shigeki Yamamoto 1998-03-24
5686585 Azo dyes for use in color filters and method for production of color filters Yoshiki Hishiro, Shigeki Yamamoto 1997-11-11
5614594 Curable resin composition for overcoat film of color filter and color filter Susumu Miyazaki, Shigeaki Chika, Kouichi Satou, Shigeki Yamamoto 1997-03-25
5585218 Photoresist composition containing alkyletherified polyvinylphenol Yuko Nakano, Yuji Ueda, Takehiro Kusumoto, Hiromi Oka 1996-12-17
5478680 Color filter Yoshiki Hishiro, Shigeki Yamamoto 1995-12-26
5420331 Cyclic carbonate compounds, method for producing the same and positive photoresist composition using the same Yuji Ueda, Hiromi Ueki, Takehiro Kusumoto 1995-05-30
5397679 Cyclic carbonate compounds, method for producing the same and positive photoresist composition using the same Yuji Ueda, Hiromi Ueki, Takehiro Kusumoto 1995-03-14
5395727 Positive resist composition containing a novolak resin made from an aldehyde and dimer of isopropenyl phenol Yasunori Uetani, Haruyoshi Osaki, Yuji Ueda, Hiromi Ueki, Takehiro Kusumoto 1995-03-07
5362598 Quinone diazide photoresist composition containing alkali-soluble resin and an ultraviolet ray absorbing dye Yasunori Uetani, Hirotoshi Nakanishi, Ryotaro Hanawa 1994-11-08
5304456 Negative photoresist composition Yuji Ueda, Hiromi Ueki, Takehiro Kusumoto 1994-04-19
5198323 Resist composition containing alkali-soluble resin, 1,2-quinone diazide compound and anti-halation component Teijiro Kitao, Masaru Matsuoka, Ryotaro Hanawa, Yasunori Uetani, Takeshi Hioki +1 more 1993-03-30