Tsukamoto; Ryoji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsukamoto; Ryoji.The latest application filed is for "polytrimethylene terephthalate composition, polyester fiber, and methods for producing the same".

Company Profile

0.9.10

Tsukamoto; Ryoji - Osaka JP
Tsukamoto; Ryoji - Matsuyama JP
Tsukamoto; Ryoji - Matsuyama-shi JP
Tsukamoto, Ryoji - Ehime JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Polytrimethylene terephthalate composition, polyester fiber, and methods for producing the same Grant 10,550,241 - Tsukamoto Fe	2020-02-04
Polytrimethylene Terephthalate Composition, Polyester Fiber, And Methods For Producing The Same App 20180265667 - TSUKAMOTO; Ryoji	2018-09-20
Catalyst for preparation of polyester and process for preparing polyester using the catalyst Grant 7,544,762 - Yamamoto , et al. June 9, 2	2009-06-09
Polyester Different-contraction Commingled Yarn App 20090022989 - Mizumura; Tomoo ; et al.	2009-01-22
Orthochromatic polyester resin composition and molding product thereof Grant 7,462,682 - Tsukamoto December 9, 2	2008-12-09
Polyester based on poly(trimethylene terephthalate) Grant 7,335,719 - Tsukamoto February 26, 2	2008-02-26
Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product Grant 7,189,797 - Minobe , et al. March 13, 2	2007-03-13
Modified cross-section polyester fibers App 20060210797 - Masuda; Tsuyoshi ; et al.	2006-09-21
Differential shrinkage polyester combined filament yarn App 20060147709 - Mizumura; Tomoo ; et al.	2006-07-06
Polytrimethylene terephthalate App 20060020103 - Tsukamoto; Ryoji ; et al.	2006-01-26
Orthochromatic polyester resin composition and molding product thereof App 20050245677 - Tsukamoto, Ryoji	2005-11-03
Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product App 20040254331 - Minobe, Nobuo ; et al.	2004-12-16
Catalyst for polyester production and process for producing polyester with the same App 20040176564 - Yamamoto, Tomoyoshi ; et al.	2004-09-09
Polyestrimethylene terephthalate polyester App 20040116573 - Tsukamoto, Ryoji	2004-06-17
Polyester fiber Grant 6,740,402 - Tsukamoto May 25, 2	2004-05-25
Polyester fiber App 20030143397 - Tsukamoto, Ryoji	2003-07-31
Water vapor-permeable, waterproof fabric Grant 6,521,552 - Honna , et al. February 18, 2	2003-02-18
Polyethylene naphthalate fiber Grant 6,177,192 - Asano , et al. January 23, 2	2001-01-23
Biaxially oriented film Grant 6,124,043 - Tsukamoto , et al. September 26, 2	2000-09-26

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