P

Inventor

KUROKAWA TAKASHI

JP48 patents
⚠️ This page may combine multiple inventors who share the name “KUROKAWA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

13 patents
US5321539AJun 14, 1994

Liquid crystal Fabry-Perot etalon with glass spacer

NIPPON TELEGRAPH & TELEPHONE145 citations98
US6122419ASep 19, 2000

Optical signal processing apparatus and optical signal processing method

NIPPON TELEGRAPH & TELEPHONE97 citations97
US5076672ADec 31, 1991

All-optical switch apparatus using a nonlinear etalon

NIPPON TELEGRAPH & TELEPHONE66 citations95
US4320292AMar 16, 1982

Coordinate input apparatus

NIPPON TELEGRAPH & TELEPHONE138 citations94
US6127200AOct 3, 2000

Vertical-cavity surface-emitting laser and method for manufacturing the same

NIPPON TELEGRAPH & TELEPHONE47 citations93
US6456760B1Sep 24, 2002

Optical signal processing apparatus and optical signal processing method

NIPPON TELEGRAPH & TELEPHONE24 citations92
US4240849ADec 23, 1980

Polymer optical circuit with optical lead-fibers and method of fabricating the same

NIPPON TELEGRAPH & TELEPHONE49 citations91
US5451767ASep 19, 1995

Optical modulator gate array including multi-quantum well photodetector

NIPPON TELEGRAPH & TELEPHONE45 citations90
US5864575AJan 26, 1999

Vertical-cavity surface-emitting laser and method for manufacturing the same

NIPPON TELEGRAPH & TELEPHONE19 citations89
US5130830AJul 14, 1992

Spatial light modulator and spatial light modulating apparatus with alignment film having particular conductance

NIPPON TELEGRAPH & TELEPHONE42 citations89
US4479910AOct 30, 1984

Method for production of optical fiber connectors

NIPPON TELEGRAPH & TELEPHONE25 citations82
US6549553B1Apr 15, 2003

Vertical-cavity surface-emitting semiconductor laser

NIPPON TELEGRAPH & TELEPHONE8 citations71
US6846685B2Jan 25, 2005

Vertical-cavity surface-emitting semiconductor laser

NIPPON TELEGRAPH & TELEPHONE0 citations50

AISIN SEIKI

8 patents

CANON KK

7 patents

MURATA MANUFACTURING CO

5 patents

ADVICS CO LTD

2 patents

KUROKAWA TAKASHI

2 patents

HITACHI ELECTRONICS

2 patents

NIPPON KAYAKU KK

2 patents

NAT UNIVERSITY CORP

1 patent

UNIV TOKYO NAT UNIV CORP

1 patent

KYOCERA MITA CORP

1 patent

FANUC CORP

1 patent

KAMIYA YUSUKE

1 patent

FANUC LTD

1 patent

SHARP KK

1 patent