Inventor
KATAYAMA TSUTAKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA TSUTAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO SEIKAN GROUP HOLDINGS LTD
8 patentsUS9650489B2May 16, 2017
Method for degrading biodegradable resin
TOYO SEIKAN GROUP HOLDINGS LTD2 citations71
US10487620B2Nov 26, 2019
Method of extracting underground resources and hydrolysis-blocking agent for use in the method
TOYO SEIKAN GROUP HOLDINGS LTD1 citations61
US12084541B2Sep 10, 2024
Polylactic acid solid composition and method for producing the same
TOYO SEIKAN GROUP HOLDINGS LTD0 citations59
US10385171B2Aug 20, 2019
Powder comprising hydrolyzable resin particles
TOYO SEIKAN GROUP HOLDINGS LTD0 citations51
US11104840B2Aug 31, 2021
Method of extracting underground resources by using hydrolysable particles
TOYO SEIKAN GROUP HOLDINGS LTD0 citations50
US10040983B2Aug 7, 2018
Dispersion solution for drilling and method of extracting underground resources using the dispersion solution
TOYO SEIKAN GROUP HOLDINGS LTD0 citations50
US9926425B2Mar 27, 2018
Method for degrading biodegradable resin
TOYO SEIKAN GROUP HOLDINGS LTD0 citations50
US10626246B2Apr 21, 2020
Polylactic acid composition
TOYO SEIKAN GROUP HOLDINGS LTD0 citations40