Inventor

TAKEDA SHUNJI

JP3 patents

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

SUNSTAR ENGINEERING INC

1 patent

US5830095ANov 3, 1998

Sprocket and manufacturing method thereof

SUNSTAR ENGINEERING INC7 citations70

DU PONT

1 patent

US4584010AApr 22, 1986

Method for controlling weeds in paddy rice

DU PONT3 citations57

PIONEER CORP

1 patent

US7601763B2Oct 13, 2009

Diaphragm for speaker and manufacturing method thereof

PIONEER CORP0 citations49