KT

Katsuya Takemura

SC Shin-Etsu Chemical Co.: 80 patents #26 of 2,176Top 2%
NT NTT: 3 patents #1,627 of 4,871Top 35%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
IBM: 2 patents #32,839 of 70,183Top 50%
📍 Joetsu, JP: #18 of 239 inventorsTop 8%
Overall (All Time): #21,847 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 1–25 of 81 patents

Patent #TitleCo-InventorsDate
12195568 Positive photosensitive resin composition, positive photosensitive dry film, method for producing positive photosensitive dry film, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component Masashi Iio, Hiroyuki Urano, Osamu Watanabe 2025-01-14
12197127 Negative photosensitive resin composition, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component Masashi Iio, Hiroyuki Urano, Osamu Watanabe 2025-01-14
12085856 Positive photosensitive resin composition, positive photosensitive dry film, method for producing positive photosensitive dry film, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component Masashi Iio, Hiroyuki Urano, Osamu Watanabe 2024-09-10
11892773 Photosensitive resin composition, patterning process, method for forming cured film, interlayer insulation film, surface protective film, and electronic component Hiroyuki Urano, Masashi Iio 2024-02-06
11768434 Polymer having a structure of polyamide, polyamide-imide, or polyimide, photosensitive resin composition, patterning process, photosensitive dry film, and protective film for electric and electronic parts Masashi Iio, Hiroyuki Urano, Kazuya Honda 2023-09-26
11572442 Compound, polyimide resin and method of producing the same, photosensitive resin composition, patterning method and method of forming cured film, interlayer insulating film, surface protective film, and electronic component Dmitry Zubarev, Hiroyuki Urano, Masashi Iio, Kazuya Honda, Yoshio Kawai 2023-02-07
11333975 Polymer, photosensitive resin composition, patterning method, method of forming cured film, interlayer insulating film, surface protective film, and electronic component Dmitry Zubarev, Hiroyuki Urano, Masashi Iio, Kazuya Honda, Yoshio Kawai 2022-05-17
11150556 Polymer of polyimide precursor, positive type photosensitive resin composition, negative type photosensitive resin composition, patterning process, method for forming cured film, interlayer insulating film, surface protective film, and electronic parts Hiroyuki Urano, Masashi Iio 2021-10-19
10919918 Tetracarboxylic dianhydride, polyimide resin and method for producing the same, photosensitive resin compositions, patterning process, method for forming cured film, interlayer insulating film, surface protective film, and electronic parts Hiroyuki Urano, Hiroki Takano, Masashi Iio, Kazuya Honda 2021-02-16
10816900 Tetracarboxylic acid diester compound, polymer of polyimide precursor and method for producing same, negative photosensitive resin composition, patterning process, and method for forming cured film Hiroyuki Urano, Masashi Iio, Koji Hasegawa, Kenji Funatsu 2020-10-27
10815572 Chemically amplified positive resist composition and pattern forming process Yoshinori Hirano, Satoshi Asai 2020-10-27
10457779 Tetracarboxylic acid diester compound, polyimide precursor polymer and method for producing the same, negative photosensitive resin composition, positive photosensitive resin composition, patterning process, and method for forming cured film Hiroyuki Urano, Masashi Iio, Masayoshi Sagehashi, Koji Hasegawa 2019-10-29
10319653 Semiconductor apparatus, stacked semiconductor apparatus, encapsulated stacked-semiconductor apparatus, and method for manufacturing the same Kyoko Soga, Satoshi Asai, Kazunori Kondo, Michihiro Sugo, Hideto Kato 2019-06-11
10216085 Tetracarboxylic acid diester compound, polyimide precursor polymer and method for producing the same, negative photosensitive resin composition, patterning process, and method for forming cured film Hiroyuki Urano, Masashi Iio, Masayoshi Sagehashi, Koji Hasegawa 2019-02-26
10203601 Tetracarboxylic acid diester compound, polymer of polyimide precursor and method for producing same, negative photosensitive resin composition, patterning process, and method for forming cured film Hiroyuki Urano, Masashi Iio, Koji Hasegawa, Kenji Funatsu 2019-02-12
10197914 Positive photosensitive resin composition, photo-curable dry film and method for producing the same, patterning process, and laminate Masashi Iio, Hiroyuki Urano, Takashi Miyazaki 2019-02-05
10141272 Semiconductor apparatus, stacked semiconductor apparatus and encapsulated stacked-semiconductor apparatus each having photo-curable resin layer Kyoko Soga, Satoshi Asai, Kazunori Kondo, Michihiro Sugo, Hideto Kato 2018-11-27
10114287 Silicone skeleton-containing polymer compound and method for producing same, chemically amplified negative resist composition, photo-curable dry film and method for producing same, patterning process, layered product, and substrate Hiroyuki Urano, Masashi Iio, Koji Hasegawa, Masahiro Fukushima, Takayuki Fujiwara 2018-10-30
10087288 Silicone skeleton-containing polymer compound, chemically amplified negative resist composition, photo-curable dry film and method for producing same, patterning process, layered product, substrate, and semiconductor apparatus Hiroyuki Urano, Masashi Iio, Takashi Miyazaki 2018-10-02
9620429 Semiconductor apparatus, stacked semiconductor apparatus, encapsulated stacked-semiconductor apparatus, and method for manufacturing the same Kyoko Soga, Satoshi Asai 2017-04-11
9557645 Positive photosensitive resin composition, photo-curable dry film and method for producing same, layered product, patterning process, and substrate Masashi Iio, Hiroyuki Urano, Takashi Miyazaki 2017-01-31
9519217 Chemically amplified positive resist composition and patterning process Yoshinori Hirano 2016-12-13
9494863 Chemically amplified negative resist composition, photo-curable dry film, making method, patterning process, and electric/electronic part-protecting film Satoshi Asai, Kyoko Soga 2016-11-15
9400428 Polymer compound, chemically amplified negative resist composition, photo-curable dry film and production method thereof, layered product, patterning process, and substrate Hiroyuki Urano, Masashi Iio, Takashi Miyazaki 2016-07-26
9377689 Silicone structure-bearing polymer, negative resist composition, photo-curable dry film, patterning process, and electric/electronic part-protecting film Hiroyuki Urano, Masashi Iio, Takayuki Fujiwara, Koji Hasegawa 2016-06-28