Inventor
KAGAWA MASAAKI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KAGAWA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
4 patentsUS5757415AMay 26, 1998
On-demand data transmission by dividing input data into blocks and each block into sub-blocks such that the sub-blocks are re-arranged for storage to data storage means
SONY CORP101 citations96
US6286143B1Sep 4, 2001
Data transmission apparatus
SONY CORP6 citations72
US6049568AApr 11, 2000
Video and audio data processing method and apparatus
SONY CORP11 citations72
US6356591B1Mar 12, 2002
Video and audio processing method and apparatus
SONY CORP2 citations61
RICOH CO LTD
3 patentsUS8055712B2Nov 8, 2011
System for assisting collaborative activity
RICOH CO LTD16 citations77
US12580973B2Mar 17, 2026
Text data transmission-reception system, shared terminal, and method of processing information
RICOH CO LTD0 citations60
US10593077B2Mar 17, 2020
Associating digital ink markups with annotated content
RICOH CO LTD0 citations40
ISHIYAMA YORICHIKA
3 patentsUS10367944B2Jul 30, 2019
Apparatus, system, and method of conference assistance
ISHIYAMA YORICHIKA1 citations69
US10194031B2Jan 29, 2019
Apparatus, system, and method of conference assistance
ISHIYAMA YORICHIKA2 citations69
US10567590B2Feb 18, 2020
Apparatus, system, and method of conference assistance
ISHIYAMA YORICHIKA0 citations48
IWASAKI RYO
2 patentsKAGAWA MASAAKI
2 patentsUS11398237B2Jul 26, 2022
Communication terminal, sharing system, display control method, and non-transitory computer-readable medium
KAGAWA MASAAKI0 citations56
US11163835B2Nov 2, 2021
Information processing system, information processing apparatus, information processing program and information processing method
KAGAWA MASAAKI0 citations45