Inventor

WATARU KOHEI

JP5 patents

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

KONICA MINOLTA OPTO INC

2 patents

US7360906B2Apr 22, 2008

Projection optical system unit and projection-type image display apparatus using the same

KONICA MINOLTA OPTO INC14 citations82

US7612951B2Nov 3, 2009

Projection lens unit

KONICA MINOLTA OPTO INC8 citations79

TAKAMOTO KATSUHIRO

1 patent

US8699139B2Apr 15, 2014

Variable-focal-length projection lens system and projection apparatus

TAKAMOTO KATSUHIRO6 citations65

MAEDA NORIO

1 patent

US9010944B2Apr 21, 2015

Projection type image display apparatus

MAEDA NORIO2 citations56

KONICA MINOLTA INC

1 patent

US9612516B2Apr 4, 2017

Projection type image display apparatus

KONICA MINOLTA INC0 citations51