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Inventor

YANAGAWA TSUTOMU

JP5 patents
⚠️ This page may combine multiple inventors who share the name “YANAGAWA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

3 patents
US7573921B2Aug 11, 2009

Laser light source

NIPPON TELEGRAPH & TELEPHONE16 citations82
US7391795B2Jun 24, 2008

Laser light source

NIPPON TELEGRAPH & TELEPHONE9 citations82
US7940451B2May 10, 2011

Wavelength converter and wavelength conversion apparatus

NIPPON TELEGRAPH & TELEPHONE2 citations60

NTT ADVANCED TECH KK

1 patent
US6579620B2Jun 17, 2003

Water-repellent coating and coating film

NTT ADVANCED TECH KK32 citations87

NIPPONTELEGRAPH AND TELEPHONE

1 patent
US7729585B2Jun 1, 2010

Light source apparatus with modulation function and its driving method

NIPPONTELEGRAPH AND TELEPHONE0 citations42