Inventor

TAKAHISA TSUTOMU

US7 patents

⚠️ This page may combine multiple inventors who share the name “TAKAHISA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DIGITAL D J INC

3 patents

US5577266ANov 19, 1996

Broadcast system with associated data capabilities

DIGITAL D J INC274 citations97

US5564073AOct 8, 1996

Broadcast system with associated data capabilities

DIGITAL D J INC203 citations97

US5491838AFeb 13, 1996

Broadcast system with associated data capabilities

DIGITAL D J INC182 citations92

DIGITAL DJ INC

1 patent

US5812937ASep 22, 1998

Broadcast data system with multiple-tuner receiver

DIGITAL DJ INC272 citations96

DIGITAL DJ

1 patent

US5946605AAug 31, 1999

Method and apparatus for communicating information using a data tuner

DIGITAL DJ112 citations92

ABILITIER INC

1 patent

US10625142B2Apr 21, 2020

Ball skate sole structure, skating shoe, sandal structure, and skateboard

ABILITIER INC1 citations55

TAKAHISA TSUTOMU

1 patent

US10849371B2Dec 1, 2020

Blind for skirt

TAKAHISA TSUTOMU0 citations44