EI

Etsuko Iguchi

TC Tokyo Ohka Kogyo Co.: 23 patents #44 of 684Top 7%
Overall (All Time): #186,571 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
6734258 Protective coating composition for dual damascene process Jun Koshiyama, Kazumasa Wakiya 2004-05-11
6693049 Method for filling fine hole Takeshi Tanaka 2004-02-17
6689535 Anti-reflective coating composition, multilayer photoresist material using the same, and method for forming pattern Takeshi Tanaka, Kazumasa Wakiya 2004-02-10
6599682 Method for forming a finely patterned photoresist layer Kazumasa Wakiya 2003-07-29
6544717 Undercoating composition for photolithographic resist Takako Hirosaki, Masakazu Kobayashi 2003-04-08
6319815 Electric wiring forming method with use of embedding material Masakazu Kobayashi, Yasumitsu Taira 2001-11-20
6297174 Method for the formation of a planarizing coating film on substrate surface Takako Hirosaki, Masakazu Kobayashi 2001-10-02
6284428 Undercoating composition for photolithographic resist Takako Hirosaki, Masakazu Kobayashi 2001-09-04
6268108 Composition for forming antireflective coating film and method for forming resist pattern using same Masakazu Kobayashi, Hiroshi Komano, Toshimasa Nakayama 2001-07-31
6159652 Positive resist composition Mitsuru Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai, Kazufumi Sato +1 more 2000-12-12
6087068 Undercoating composition for photolithographic resist Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Fumitake Kaneko 2000-07-11
6083665 Photoresist laminate and method for patterning using the same Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Fumitake Kaneko, Toshimasa Nakayama 2000-07-04
6071673 Method for the formation of resist pattern Toshimasa Nakayama, Taiichiro Aoki 2000-06-06
6042988 Chemical-amplification-type negative resist composition Mitsuro Sato, Katsumi Oomori, Kiyoshi Ishikawa, Fumitake Kaneko, Yoshiki Sugeta 2000-03-28
5948847 Undercoating composition for photolithographic patterning Mitsuru Sato 1999-09-07
5939510 Undercoating composition for photolithographic resist Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Fumitake Kaneko 1999-08-17
5925495 Photoresist laminate and method for patterning using the same Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Fumitake Kaneko, Toshimasa Nakayama 1999-07-20
5908738 Undercoating composition for photolithography Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Toshimasa Nakayama 1999-06-01
5854357 Process for the production of polyhydroxstyrene Mitsuru Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai, Kazufumi Sato +1 more 1998-12-29
5789136 Negative-working photoresist composition Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Fumitake Kaneko 1998-08-04
5756255 Undercoating composition for photolithography Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Toshimasa Nakayama 1998-05-26
5736296 Positive resist composition comprising a mixture of two polyhydroxystyrenes having different acid cleavable groups and an acid generating compound Mitsuru Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai, Kazufumi Sato +1 more 1998-04-07
5700625 Negative-working photoresist composition Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Fumitake Kaneko 1997-12-23