Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410266 | Method for manufacturing fluoropolymer | Kenji Ichikawa, Yohei FUJIMOTO, Hirotoshi Yoshida, Hiroyuki Sato, Taketo Kato +10 more | 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 |
| 12195617 | Composition and stretched body | Kenji Ichikawa, Yohei FUJIMOTO, Hirotoshi Yoshida, Hiroyuki Sato, Taketo Kato +2 more | 2025-01-14 |
| 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 |
| 11952441 | Polytetrafluoroethylene production method | Taketo Kato, Yohei FUJIMOTO, Kenji Ichikawa, Hiroyuki Sato, Hirotoshi Yoshida +4 more | 2024-04-09 |
| 11767379 | Method for manufacturing fluoropolymer | Kenji Ichikawa, Yohei FUJIMOTO, Hirotoshi Yoshida, Hiroyuki Sato, Taketo Kato +10 more | 2023-09-26 |
| 11634514 | Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition | Taketo Kato, Satoru Yoneda, Masahiro Higashi, Akiyoshi Yamauchi, Sumi Ishihara +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 |
| 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 |
| 10940978 | Zipper and zipper-equipped bag | Kenichi Tanaka | 2021-03-09 |
| 9976022 | Polytetrafluoroethylene aqueous dispersion | Dai Fukami, Takuya YAMABE, Taketo Kato, Makoto Ono, Takahiro Taira +2 more | 2018-05-22 |
| 9902787 | Polytetrafluoroethylene powder | Dai Fukami, Takuya YAMABE, Taketo Kato, Makoto Ono, Takahiro Taira +2 more | 2018-02-27 |
| 9580590 | Method for producing aqueous polytetrafluoroethylene dispersion | Takahiro Taira, Taku Yamanaka, Atsuko Tanaka, Makoto Ono, Nobuhiko Tsuda +1 more | 2017-02-28 |
| 9574020 | Production method for fluoropolymer aqueous dispersion | — | 2017-02-21 |
| 9550617 | Zipper and zipper-equipped bag | Kenichi Tanaka | 2017-01-24 |
| 9527980 | Polytetrafluoroethylene aqueous dispersion, and polytetrafluoroethylene fine powder | — | 2016-12-27 |
| 9243080 | Production method for polytetrafluoroethylene aqueous dispersion | — | 2016-01-26 |
| 9227774 | Zipper and zipper-equipped bag | Kenichi Tanaka | 2016-01-05 |
| 9096701 | Aqueous tetrafluoroethylene polymer dispersion, process for producing the same, tetrafluoroethylene polymer powder, and molded tetrafluoroethylene polymer | Nobuhiko Tsuda, Yasuhiko Sawada, Tetsuo Shimizu | 2015-08-04 |
| 8883313 | Modified polytetrafluoroethylene powder and method for producing tetrafluoroethylene polymer | Yasuhiko Sawada, Shunji Kasai, Shuji Tagashira, Makoto Ono, Takahiro Taira +1 more | 2014-11-11 |
| 8753011 | Easily openable fastener tape, packaging bag with easily openable fastener tape, and method of manufacturing easily openable fastener tape | Kenichi Tanaka | 2014-06-17 |
| 8714821 | Cutting tape and packaging bag with cutting tape | Kenichi Tanaka | 2014-05-06 |
| 8540428 | Easily tearable fastener tape, method of producing the fastener tape, packaging bag with easily tearable fastener tape, and device and method for producing the packaging bag | Kenichi Tanaka, Shuichi Goto | 2013-09-24 |
| 8067528 | Method for producing fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer, 2-acyloxycarboxylic acid derivative, and surface active agent | Nobuhiko Tsuda, Yoshihiro Yamamoto, Yasuhiko Sawada, Tetsuo Shimizu | 2011-11-29 |
| 8066434 | Chuck tape with cut tape, its manufacturing method, and packaging bag with chuck tape | Kenichi Tanaka | 2011-11-29 |