P

Inventor

FUJIE DAIJIRO

JP7 patents
⚠️ This page may combine multiple inventors who share the name “FUJIE DAIJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON KOGAKU KK

5 patents
US4768868ASep 6, 1988

Rear conversion lens

NIPPON KOGAKU KK35 citations91
US4770513ASep 13, 1988

Projection lens

NIPPON KOGAKU KK39 citations86
US4775229AOct 4, 1988

Fresnel lens in a finder optical system

NIPPON KOGAKU KK24 citations81
US4396256AAug 2, 1983

Large aperture ratio, long focus lens

NIPPON KOGAKU KK8 citations72
US4690517ASep 1, 1987

Retrofocus type wide angle lens

NIPPON KOGAKU KK5 citations61

MITSUBISHI HEAVY IND LTD

1 patent
US6608281B2Aug 19, 2003

Laser beam machining head and laser beam machining apparatus having same

MITSUBISHI HEAVY IND LTD40 citations92

NIKON CORP

1 patent
US6147815ANov 14, 2000

Imaging optical system

NIKON CORP33 citations91