Inventor

KAWAKAMI TADASHI

JP11 patents

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

NIPPON SODA CO

4 patents

US7012159B1Mar 14, 2006

Phenolic compounds and recording materials containing the same

NIPPON SODA CO2 citations62

US7169737B2Jan 30, 2007

Phenolic compound and recording material using the same

NIPPON SODA CO7 citations61

US8697601B2Apr 15, 2014

Rewritable recording material

NIPPON SODA CO0 citations41

US7390771B2Jun 24, 2008

Recording material and recording sheet

NIPPON SODA CO0 citations41

KODAMA SATOSHI

2 patents

US8420568B2Apr 16, 2013

Color-developing compositions and recording material containing same

KODAMA SATOSHI1 citations49

US8529688B2Sep 10, 2013

Phenolic compound and recording material

KODAMA SATOSHI0 citations48

OKUI TATSUYA

1 patent

US8074482B2Dec 13, 2011

Plug for cold drawing and method for manufacturing of metal pipe

OKUI TATSUYA7 citations80

NIPPON KOGAKU KK

1 patent

US3941457AMar 2, 1976

Symmetrical type four-component lens system

NIPPON KOGAKU KK10 citations71

FUJII HIROSHI

1 patent

US8546299B2Oct 1, 2013

Color-developing composition and recording material containing the same

FUJII HIROSHI0 citations39

OOTSUKA SYUNICHI

1 patent

US8808470B2Aug 19, 2014

High-carbon chromium bearing steel and production method of the same

OOTSUKA SYUNICHI0 citations37

ISEDA ATSURO

1 patent

US9153348B2Oct 6, 2015

Double-walled tube with interface gap and production method therefor

ISEDA ATSURO0 citations34