Inventor

CHIBA FUMIAKI

JP3 patents

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

YOSHIOKA TAKASHI

2 patents

US8667302B2Mar 4, 2014

Signature generating device and method, signature verifying device and method, and computer product

YOSHIOKA TAKASHI6 citations68

US8549306B2Oct 1, 2013

Image managing method and image managing system

YOSHIOKA TAKASHI1 citations47

TAKENAKA MASAHIKO

1 patent

US8566597B2Oct 22, 2013

Digital signature program, digital signature apparatus, and digital signature method

TAKENAKA MASAHIKO0 citations36