Inventor

ICHIKAWA SYUJI

JP3 patents

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

TERUMO CORP

1 patent

US5043142AAug 27, 1991

Alpha-hydroperoxyisopropylphenyl compounds and process for preparing the same

TERUMO CORP9 citations70

MITSUBISHI PENCIL CO

1 patent

US6945726B2Sep 20, 2005

Refill for oil-based ink ballpoint pen and oil-based ink ballpoint pen

MITSUBISHI PENCIL CO6 citations54

TOOMI HIDEAKI

1 patent

US8562235B2Oct 22, 2013

Ink composition for aqueous ink ball point pen and aqueous ink ball point pen

TOOMI HIDEAKI0 citations36