Inventor
SAWAMOTO AKIRA
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SAWAMOTO AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTOH KOGAKU KK
4 patentsUS6587279B2Jul 1, 2003
Projection zoom lens system and projector
NITTOH KOGAKU KK15 citations82
US7400455B2Jul 15, 2008
Zoom lens system and display apparatus
NITTOH KOGAKU KK8 citations71
US7170691B2Jan 30, 2007
Zoom lens system
NITTOH KOGAKU KK7 citations71
US7184220B2Feb 27, 2007
Projection zoom lens and projector
NITTOH KOGAKU KK2 citations60