Seishi YOSHIKAWA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Propylene-based resin composition and film for heat sealing
- Patent number 12,221,532
- Issue date Feb 11, 2025
- Toyo Seikan Group Holdings, Ltd.
- Seishi Yoshikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polylactic acid solid composition and method for producing the same
- Patent number 12,084,541
- Issue date Sep 10, 2024
- Toyo Seikan Group Holdings, Ltd.
- Tsutaki Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat-resistant multilayer container and method for producing the same
- Patent number 11,148,402
- Issue date Oct 19, 2021
- Toyo Seikan Group Holdings, Ltd.
- Yuuki Tashiro
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method of extracting underground resources by using hydrolysable pa...
- Patent number 11,104,840
- Issue date Aug 31, 2021
- Toyo Seikan Group Holdings, Ltd.
- Seishi Yoshikawa
- E21 - EARTH DRILLING MINING
Information Patent Grant
Polylactic acid composition
- Patent number 10,626,246
- Issue date Apr 21, 2020
- Toyo Seikan Group Holdings, Ltd.
- Seishi Yoshikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of extracting underground resources and hydrolysis-blocking...
- Patent number 10,487,620
- Issue date Nov 26, 2019
- Toyo Seikan Group Holdings, Ltd.
- Seishi Yoshikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Powder comprising hydrolyzable resin particles
- Patent number 10,385,171
- Issue date Aug 20, 2019
- Toyo Seikan Group Holdings, Ltd.
- Seishi Yoshikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dispersion solution for drilling and method of extraction using the...
- Patent number 10,246,625
- Issue date Apr 2, 2019
- Toyo Seikan Group Holdings, Ltd.
- Seishi Yoshikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dispersion solution for drilling and method of extracting undergrou...
- Patent number 10,040,983
- Issue date Aug 7, 2018
- Toyo Seikan Group Holdings, Ltd.
- Seishi Yoshikawa
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for degrading a readily-degradable resin composition
- Patent number 9,284,432
- Issue date Mar 15, 2016
- Toyo Seikan Kaisha, Ltd.
- Seishi Yoshikawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for degrading biodegradable resin
- Patent number 8,846,355
- Issue date Sep 30, 2014
- Toyo Seikan Kaisha, Ltd.
- Seishi Yoshikawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for producing oligomer and/or monomer by degrading biodegrad...
- Patent number 8,501,445
- Issue date Aug 6, 2013
- Toyo Seikan Kaisha, Ltd.
- Seishi Yoshikawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Readily degradable resin composition and biodegradable container us...
- Patent number 8,048,502
- Issue date Nov 1, 2011
- Toyo Seikan Kaisha, Ltd.
- Seishi Yoshikawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
LAMINATE
- Publication number 20240326395
- Publication date Oct 3, 2024
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Atsushi EBATA
- B32 - LAYERED PRODUCTS
Information Patent Application
PACKAGING BAG AND PACKAGING MULTILAYER FILM TO BE USED FOR PRODUCIN...
- Publication number 20240009976
- Publication date Jan 11, 2024
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Kenya MAJIMA
- B32 - LAYERED PRODUCTS
Information Patent Application
LAYERED BODY FOR PACKAGING
- Publication number 20240010404
- Publication date Jan 11, 2024
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD OF REMOVING IMPURITIES FROM PLASTIC
- Publication number 20230415381
- Publication date Dec 28, 2023
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Yuuki TASHIRO
- B08 - CLEANING
Information Patent Application
PROPYLENE-BASED RESIN COMPOSITION AND FILM FOR HEAT SEALING
- Publication number 20220332930
- Publication date Oct 20, 2022
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ORGANIC SOLVENT DISPERSION OF HYDROLYSABLE POLYMER
- Publication number 20220213316
- Publication date Jul 7, 2022
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Koki SHIBATA
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
POLYLACTIC ACID SOLID COMPOSITION AND METHOD FOR PRODUCING THE SAME
- Publication number 20220185952
- Publication date Jun 16, 2022
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Tsutaki KATAYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYOXALATE COPOLYMER AND METHOD OF PRODUCING THE SAME
- Publication number 20220033572
- Publication date Feb 3, 2022
- TOYO SEIKAN GROUP HOLDINGS,LTD.
- Tsutaki KATAYAMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYLACTIC ACID COPOLYMER AND METHOD OF PRODUCING THE SAME
- Publication number 20210269587
- Publication date Sep 2, 2021
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Kouki SHIBATA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HEAT-RESISTANT MULTILAYER CONTAINER AND METHOD FOR PRODUCING THE SAME
- Publication number 20210197538
- Publication date Jul 1, 2021
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Yuuki TASHIRO
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYOXALATE COPOLYMER AND METHOD OF PRODUCING THE SAME
- Publication number 20190055348
- Publication date Feb 21, 2019
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Tsutaki Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF EXTRACTING UNDERGROUND RESOURCES BY USING HYDROLYSABLE PA...
- Publication number 20180010037
- Publication date Jan 11, 2018
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYOXALATE COPOLYMER
- Publication number 20170342206
- Publication date Nov 30, 2017
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF EXTRACTING UNDERGROUND RESOURCES AND HYDROLYSIS-BLOCKING...
- Publication number 20170335653
- Publication date Nov 23, 2017
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POWDER COMPRISING HYDROLYZABLE RESIN PARTICLES
- Publication number 20170253703
- Publication date Sep 7, 2017
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF DECOMPOSING ESTER RESINS
- Publication number 20170210873
- Publication date Jul 27, 2017
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Tsutaki KATAYAMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FORMED BODY OF RESIN TO BE THROWN INTO WATER
- Publication number 20170015888
- Publication date Jan 19, 2017
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYLACTIC ACID COMPOSITION
- Publication number 20170015806
- Publication date Jan 19, 2017
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYOXALATES AND A PROCESS FOR THE PRODUCTION THEREOF
- Publication number 20170002135
- Publication date Jan 5, 2017
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DISPERSION SOLUTION FOR DRILLING AND METHOD OF EXTRACTION USING THE...
- Publication number 20160319177
- Publication date Nov 3, 2016
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
BIODEGRADABLE RESIN COMPOSITION HAVING A POROUS STRUCTURE AND METHO...
- Publication number 20160208062
- Publication date Jul 21, 2016
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Tsutaki Katayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DISPERSION SOLUTION FOR DRILLING AND METHOD OF EXTRACTION USING THE...
- Publication number 20150315891
- Publication date Nov 5, 2015
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DISPERSION SOLUTION FOR DRILLING AND METHOD OF EXTRACTING UNDERGROU...
- Publication number 20150299553
- Publication date Oct 22, 2015
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi YOSHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method for Degrading a Readily-degradable Resin Composition
- Publication number 20150010974
- Publication date Jan 8, 2015
- TOYO SEIKAN KAISHA, LTD.
- Seishi Yoshikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for Degrading Biodegradable Resin
- Publication number 20130288322
- Publication date Oct 31, 2013
- TOYO SEIKAN KAISHA, LTD.
- Seishi Yoshikawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
BIODEGRADABLE RESIN COMPOSITION
- Publication number 20130274373
- Publication date Oct 17, 2013
- TOYO SEIKAN GROUP HOLDINGS, LTD.
- Seishi Yoshikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BIODEGRADABLE RESIN COMPOSITION
- Publication number 20130184415
- Publication date Jul 18, 2013
- Kureha Corporation
- Seishi Yoshikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for Producing Oligomer and/or Monomer by Degrading Biodegrad...
- Publication number 20110201069
- Publication date Aug 18, 2011
- Toyo Seikan Kaisha Ltd.
- Seishi Yoshikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
READILY DEGRADABLE RESIN COMPOSITION AND BIODEGRADABLE CONTAINER US...
- Publication number 20100086718
- Publication date Apr 8, 2010
- TOYO SEIKAN KAISHA, LTD.
- Seishi Yoshikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Seishi YOSHIKAWA

Person

Patents Grantslast 30 patents

Propylene-based resin composition and film for heat sealing

Polylactic acid solid composition and method for producing the same

Heat-resistant multilayer container and method for producing the same

Method of extracting underground resources by using hydrolysable pa...

Polylactic acid composition

Method of extracting underground resources and hydrolysis-blocking...

Powder comprising hydrolyzable resin particles

Dispersion solution for drilling and method of extraction using the...

Dispersion solution for drilling and method of extracting undergrou...

Method for degrading a readily-degradable resin composition

Method for degrading biodegradable resin

Method for producing oligomer and/or monomer by degrading biodegrad...

Readily degradable resin composition and biodegradable container us...

Patents Applicationslast 30 patents

LAMINATE

PACKAGING BAG AND PACKAGING MULTILAYER FILM TO BE USED FOR PRODUCIN...

LAYERED BODY FOR PACKAGING

METHOD OF REMOVING IMPURITIES FROM PLASTIC

PROPYLENE-BASED RESIN COMPOSITION AND FILM FOR HEAT SEALING

ORGANIC SOLVENT DISPERSION OF HYDROLYSABLE POLYMER

POLYLACTIC ACID SOLID COMPOSITION AND METHOD FOR PRODUCING THE SAME

POLYOXALATE COPOLYMER AND METHOD OF PRODUCING THE SAME

POLYLACTIC ACID COPOLYMER AND METHOD OF PRODUCING THE SAME

HEAT-RESISTANT MULTILAYER CONTAINER AND METHOD FOR PRODUCING THE SAME

POLYOXALATE COPOLYMER AND METHOD OF PRODUCING THE SAME

METHOD OF EXTRACTING UNDERGROUND RESOURCES BY USING HYDROLYSABLE PA...

POLYOXALATE COPOLYMER

METHOD OF EXTRACTING UNDERGROUND RESOURCES AND HYDROLYSIS-BLOCKING...

POWDER COMPRISING HYDROLYZABLE RESIN PARTICLES

METHOD OF DECOMPOSING ESTER RESINS

FORMED BODY OF RESIN TO BE THROWN INTO WATER

POLYLACTIC ACID COMPOSITION

POLYOXALATES AND A PROCESS FOR THE PRODUCTION THEREOF

DISPERSION SOLUTION FOR DRILLING AND METHOD OF EXTRACTION USING THE...

BIODEGRADABLE RESIN COMPOSITION HAVING A POROUS STRUCTURE AND METHO...

DISPERSION SOLUTION FOR DRILLING AND METHOD OF EXTRACTION USING THE...

DISPERSION SOLUTION FOR DRILLING AND METHOD OF EXTRACTING UNDERGROU...

Method for Degrading a Readily-degradable Resin Composition

Method for Degrading Biodegradable Resin

BIODEGRADABLE RESIN COMPOSITION

BIODEGRADABLE RESIN COMPOSITION

Method for Producing Oligomer and/or Monomer by Degrading Biodegrad...

READILY DEGRADABLE RESIN COMPOSITION AND BIODEGRADABLE CONTAINER US...