TN

Toshimasa Nakayama

TC Tokyo Ohka Kogyo Co.: 110 patents #1 of 684Top 1%
Overall (All Time): #11,557 of 4,157,543Top 1%
112
Patents All Time

Issued Patents All Time

Showing 26–50 of 112 patents

Patent #TitleCo-InventorsDate
6171749 Negative-working chemical-amplification photoresist composition Toshikazu Tachikawa, Fumitake Kaneko, Satoshi Fujimura, Miwa Miyairi, Hiroshi Komano 2001-01-09
6159652 Positive resist composition Mitsuru Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Etsuko Iguchi, Yoshika Sakai +1 more 2000-12-12
6136505 Liquid coating composition for use in forming antireflective film and photoresist material using said antireflective film Masahito Tanabe, Kazumasa Wakiya, Masakazu Kobayashi, Hiroshi Komano 2000-10-24
6132928 Coating solution for forming antireflective coating film Masahito Tanabe, Kazumasa Wakiya, Masakazu Kobayashi 2000-10-17
6127087 Positive photoresist compositions and multilayer resist materials using same Miki Kobayashi, Kousuke Doi, Sachiko Tamura, Hidekatsu Kohara 2000-10-03
6120969 Polyphenol compound, quinonediazide ester and positive photoresist composition Mitsuo Hagihara, Kousuke Doi, Hidekatsu Kohara, Tetsuya Nakajima 2000-09-19
6106994 Production process of polyphenol diesters, and positive photosensitive compositions Satoshi Niikura, Hidekatsu Kohara 2000-08-22
6083657 Positive photoresist compositions and a process for producing the same Shinichi Kono, Yasuo Masuda, Atsushi Sawano, Hayato Ohno, Hidekatsu Kohara 2000-07-04
6083665 Photoresist laminate and method for patterning using the same Mitsuru Sato, Katsumi Oomori, Etsuko Iguchi, Kiyoshi Ishikawa, Fumitake Kaneko 2000-07-04
6077644 Positive-working resist composition Hideo Hada, Kazufumi Sato, Hiroshi Komano 2000-06-20
6071673 Method for the formation of resist pattern Etsuko Iguchi, Taiichiro Aoki 2000-06-06
6068000 Substrate treatment method Masahito Tanabe, Kazumasa Wakiya, Masakazu Kobayashi 2000-05-30
6030741 Positive resist composition Kousuke Doi, Takako Suzuki, Hidekatsu Kohara 2000-02-29
5985525 Developer solution for photoresist composition Mitsuru Sato, Hatsuyuki Tanaka 1999-11-16
5976760 Chemical-sensitization resist composition Katsumi Oomori, Hideo Hada, Fumitake Kaneko, Mitsuru Sato, Kazufumi Sato 1999-11-02
5968848 Process for treating a lithographic substrate and a rinse solution for the treatment Masahito Tanabe, Kazumasa Wakiya, Masakazu Kobayashi 1999-10-19
5955240 Positive resist composition Kazufumi Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai 1999-09-21
5955241 Chemical-amplification-type negative resist composition and method for forming negative resist pattern Mitsuru Sato, Kiyoshi Ishikawa, Hiroyuki Yamazaki, Yoshiki Sugeta 1999-09-21
5948589 Positive-working photoresist composition Kazufumi Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai 1999-09-07
5945248 Chemical-sensitization positive-working photoresist composition Kazuyuki Nitta, Kazufumi Sato, Akiyoshi Yamazaki, Yoshika Sakai 1999-08-31
5929271 Compounds for use in a positive-working resist composition Hideo Hada, Kazufumi Sato, Hiroshi Komano 1999-07-27
5925495 Photoresist laminate and method for patterning using the same Mitsuru Sato, Katsumi Oomori, Etsuko Iguchi, Kiyoshi Ishikawa, Fumitake Kaneko 1999-07-20
5908738 Undercoating composition for photolithography Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Etsuko Iguchi 1999-06-01
5908730 Chemical-sensitization photoresist composition Kazuyuki Nitta, Kazufumi Sato, Akiyoshi Yamazaki, Yoshika Sakai 1999-06-01
5905063 Remover solution composition for resist and method for removing resist using the same Masahito Tanabe, Kazumasa Wakiya, Masakazu Kobayashi 1999-05-18