Inventor
WATANABE RYUICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
6 patentsUS6424355B2Jul 23, 2002
Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program
SONY CORP87 citations97
US6411274B2Jun 25, 2002
Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program
SONY CORP96 citations97
US6285347B1Sep 4, 2001
Digital map display scrolling method, digital map display scrolling device, and storage device for storing digital map display scrolling program
SONY CORP46 citations92
US6401030B1Jun 4, 2002
Information processing apparatus and method, and program storage medium
SONY CORP22 citations91
US7075558B2Jul 11, 2006
Digital map display zooming method, digital map display zooming device, and storage medium for storing digital map display zooming program
SONY CORP9 citations73
US6396498B1May 28, 2002
Information processing apparatus and method, and providing medium
SONY CORP8 citations73
NIPPON TELEGRAPH & TELEPHONE
3 patentsUS5608565AMar 4, 1997
Bidirectional optical transmission system
NIPPON TELEGRAPH & TELEPHONE59 citations95
US5539564AJul 23, 1996
Point-to-multipoint optical transmission system
NIPPON TELEGRAPH & TELEPHONE79 citations92
US4156213AMay 22, 1979
Wide-band circular polarizer
NIPPON TELEGRAPH & TELEPHONE17 citations70