Inventor
ISHII SHINICHIRO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “ISHII SHINICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
6 patentsUS6437922B2Aug 20, 2002
Zoom lens system
ASAHI OPTICAL CO LTD39 citations92
US6369955B1Apr 9, 2002
Zoom lens system
ASAHI OPTICAL CO LTD49 citations92
US6384984B1May 7, 2002
Eyepiece variable focal length optics
ASAHI OPTICAL CO LTD11 citations73
US6268966B1Jul 31, 2001
Zoom lens system
ASAHI OPTICAL CO LTD13 citations73
US6392820B1May 21, 2002
Optical system of a composite camera
ASAHI OPTICAL CO LTD2 citations59
US6069736AMay 30, 2000
Anti-vibration lens attachment
ASAHI OPTICAL CO LTD1 citations52
PENTAX CORP
5 patentsUS6512638B2Jan 28, 2003
Step zoom lens camera
PENTAX CORP38 citations92
US6690518B2Feb 10, 2004
Camera-attachment lens system
PENTAX CORP2 citations59
US6529334B2Mar 4, 2003
Eyepiece variable focal length optics
PENTAX CORP0 citations52
US6930831B2Aug 16, 2005
Vari-focal polar alignment scope
PENTAX CORP0 citations41
US6847482B2Jan 25, 2005
Image-erecting viewing optical system
PENTAX CORP0 citations41