Inventor

IWATA TADAHISA

JP7 patents

⚠️ This page may combine multiple inventors who share the name “IWATA TADAHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RIKEN

2 patents

US7938999B2May 10, 2011

High-strength fiber of biodegradable aliphatic polyester and process for producing the same

RIKEN3 citations61

US7662325B2Feb 16, 2010

Polyhydroxyalkanoic acid fibers with high strength, fibers with high strength and high modulus of elasticity, and processes for producing the same

RIKEN0 citations51

RIKAGAKU KENKYUSHO

1 patent

US5917002AJun 29, 1999

Poly(3-hydroxybutanoic acid) film

RIKAGAKU KENKYUSHO32 citations91

JAPAN SCIENCE & TECH AGENCY

1 patent

US7241495B2Jul 10, 2007

Polyhydroxyalkanoic acid fibers with high strength, fibers with high strength and high modulus of elasticity, and processes for producing the same

JAPAN SCIENCE & TECH AGENCY3 citations61

UNIV TOKYO

1 patent

US10913821B2Feb 9, 2021

Polymer having aldaric acid as constitutional unit and method for producing same

UNIV TOKYO0 citations56

KITAGAWA TATSUYA

1 patent

US9057148B2Jun 16, 2015

High-strength polypropylene fiber and method for producing the same

KITAGAWA TATSUYA2 citations51

MITSUBISHI GAS CHEMICAL CO

1 patent

US12533841B2Jan 27, 2026

Aliphatic polyester copolymer

MITSUBISHI GAS CHEMICAL CO0 citations44