SI

Sumi Ishihara

DI Daikin Industries: 32 patents #42 of 2,957Top 2%
NU National University Corporation Hokkaido University: 3 patents #83 of 825Top 15%
SC Sagami Chemical Research Center: 1 patents #140 of 312Top 45%
Overall (All Time): #104,258 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
12428365 Production method of acrylic acid derivative Makoto Matsuura, Manaho Tomioka, Michiaki OKADA, Atsushi SHIRAI, Yosuke KISHIKAWA 2025-09-30
12410266 Method for manufacturing fluoropolymer Yoshinori Nanba, Kenji Ichikawa, Yohei FUJIMOTO, Hirotoshi Yoshida, Hiroyuki Sato +10 more 2025-09-09
12410267 Composition production method, and composition Masahiro Higashi, Satoru Yoneda, Yosuke KISHIKAWA, Hirokazu Aoyama 2025-09-09
12404387 Production method for fluoropolymer, surfactant for polymerization, and use of surfactant Taketo Kato, Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara +16 more 2025-09-02
12187859 Process for producing aqueous fluoropolymer dispersion Satoru Yoneda, Masahiro Higashi, Hirotoshi Yoshida, Yohei FUJIMOTO, Yosuke KISHIKAWA 2025-01-07
12012470 Production method for fluoropolymer, surfactant for polymerization, and use of surfactant Taketo Kato, Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara +16 more 2024-06-18
11999681 Alkyl sulfate ester or salt of same Satoru Yoneda, Masahiro Higashi, Akiyoshi Yamauchi, Yosuke KISHIKAWA, Marina NAKANO +2 more 2024-06-04
11767379 Method for manufacturing fluoropolymer Yoshinori Nanba, Kenji Ichikawa, Yohei FUJIMOTO, Hirotoshi Yoshida, Hiroyuki Sato +10 more 2023-09-26
11708324 Sulfuric acid ester or salt thereof, and surfactant Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara, Masahiro Higashi +2 more 2023-07-25
11680037 Branched fluorine-containing compound Masahiro Higashi, Moe HOSOKAWA, Akiyoshi Yamauchi, Yosuke KISHIKAWA 2023-06-20
11634514 Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition Taketo Kato, Satoru Yoneda, Masahiro Higashi, Akiyoshi Yamauchi, Yosuke KISHIKAWA +12 more 2023-04-25
11512155 Production method for fluoropolymer, surfactant for polymerization, and use of surfactant Taketo Kato, Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara +16 more 2022-11-29
11440875 Sulfonic acid, carboxylic acid, and salts thereof Masahiro Higashi, Satoru Yoneda, Akiyoshi Yamauchi, Yosuke KISHIKAWA, Marina NAKANO +2 more 2022-09-13
11279814 Production method for fluoropolymer, surfactant for polymerization, and use of surfactant Taketo Kato, Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara +16 more 2022-03-22
11261148 Method for producing carbonyl compound Masahiro Higashi, Satoru Yoneda, Yosuke KISHIKAWA 2022-03-01
11198670 Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant Masahiro Higashi, Satoru Yoneda, Akiyoshi Yamauchi, Yosuke KISHIKAWA, Hirokazu Aoyama 2021-12-14
11104639 Branched fluorine-containing compound Masahiro Higashi, Moe HOSOKAWA, Akiyoshi Yamauchi, Yosuke KISHIKAWA 2021-08-31
11072580 Sulfuric acid ester or salt thereof, and surfactant Satoru Yoneda, Manabu Fujisawa, Kazuya Asano, Takahiro Kitahara, Masahiro Higashi +2 more 2021-07-27
10865178 Carboxylate salt or sulfonate salt, and surfactant Masahiro Higashi, Satoru Yoneda, Akiyoshi Yamauchi, Yosuke KISHIKAWA, Hirokazu Aoyama 2020-12-15
10526272 Water elimination method Makoto Matsuura, Yosuke KISHIKAWA, Asako Yoshiyama 2020-01-07
10479681 Fluorinating agent Shoji Hara, Yosuke KISHIKAWA, Atsushi SHIRAI, Takashi NAMIKAWA 2019-11-19
10233080 Fluorinating agent Shoji Hara, Yosuke KISHIKAWA, Atsushi SHIRAI, Takashi NAMIKAWA 2019-03-19
9950984 Production method for alpha-fluoro acrylic acid esters Akihiro Gotou, Manaho Miyazaki, Takashi NAMIKAWA, Tatsuya Ohtsuka, Yosuke KISHIKAWA 2018-04-24
9758455 Method for producing fluorinated organic compound and fluorinating reagent Masahiro Higashi, Yosuke KISHIKAWA, Atsushi SHIRAI, Takashi NAMIKAWA, Shoji Hara 2017-09-12
9738589 Method for producing α-fluoroacrylic acid ester Tatsuya Ohtsuka, Akihiro Gotou, Yoshihiro Yamamoto, Akinori Yamamoto, Yoshichika Kuroki +2 more 2017-08-22