Inventor
ABE ISSEI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “ABE ISSEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABE ISSEI
6 patentsUS8830298B2Sep 9, 2014
Wide-angle lens and imaging apparatus using the same
ABE ISSEI22 citations90
US8643958B2Feb 4, 2014
Wide angle lens and imaging device
ABE ISSEI20 citations90
US8657450B2Feb 25, 2014
Projection optical system and image projection device
ABE ISSEI10 citations83
US9946144B2Apr 17, 2018
Projection optical system and image projecting apparatus
ABE ISSEI4 citations72
US8284462B2Oct 9, 2012
Image reading device and image forming apparatus
ABE ISSEI2 citations62
US8189264B2May 29, 2012
Projection optical system and image display device
ABE ISSEI2 citations62
TAKAHASHI TATSUYA
5 patentsUS8905550B2Dec 9, 2014
Projection optical system and image projection device
TAKAHASHI TATSUYA8 citations84
US8511837B2Aug 20, 2013
Projection optical system and image projector
TAKAHASHI TATSUYA12 citations84
US9625692B2Apr 18, 2017
Projection optical system and image projecting apparatus
TAKAHASHI TATSUYA2 citations73
US9417511B2Aug 16, 2016
Lighting device, projector including the same, and lighting method
TAKAHASHI TATSUYA1 citations52
US8807763B2Aug 19, 2014
Image projection apparatus
TAKAHASHI TATSUYA0 citations42
RICOH CO LTD
3 patentsUS8025415B2Sep 27, 2011
Projection optical system and image projecting apparatus
RICOH CO LTD14 citations84
US7946717B2May 24, 2011
Projection optical system and image projecting apparatus
RICOH CO LTD18 citations84
US7911704B2Mar 22, 2011
Projection optical system and image display apparatus
RICOH CO LTD7 citations84