P
PatentIndex
Search
Landscape
Sign in
Inventor
CHUBACHI SUNAO
JP
4 patents
⚠️ This page may combine multiple inventors who share the name “CHUBACHI SUNAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
1 patent
US6700618B1
Mar 2, 2004
Automatic focus-detecting apparatus and method thereof
RICOH KK
22 citations
87
RICOH CO LTD
1 patent
US9429513B2
Aug 30, 2016
Sensor apparatus and image forming apparatus incorporating same
RICOH CO LTD
4 citations
71
ISHII TOSHIHIRO
1 patent
US10177530B2
Jan 8, 2019
Optical sensor, optical examination device, and optical property detection method
ISHII TOSHIHIRO
1 citations
60
CHUBACHI SUNAO
1 patent
US9374491B2
Jun 21, 2016
Sensor device, image forming apparatus, and control method for light source
CHUBACHI SUNAO
1 citations
40