Inventor

SUMI YOJIRO

JP3 patents

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

TANABE NORIHIRO

1 patent

US8305866B2Nov 6, 2012

Pickup apparatus, optical recording and reproduction apparatus, and recording and reproduction method

TANABE NORIHIRO4 citations59

SAITO KIMIHIRO

1 patent

US8488430B2Jul 16, 2013

Recording medium and reproducing apparatus

SAITO KIMIHIRO1 citations48

MIURA TAKAHIRO

1 patent

US8553516B2Oct 8, 2013

Reproducing device and optical path length servo control method

MIURA TAKAHIRO0 citations31