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Yamanashi, Japan

Toshio Higashi

USPTO Granted Patents = 6

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 48(Granted Patents)

Location History:

Kawasaki, JP (1994 - 1999)
Kanagawa, JP (1999)
Yamanashi, JP (2005 - 2011)

Company Filing History:

4 out of 39,244

Fujitsu Corporation

Eudyna Devices Inc.

Fujitsu Quantum Devices Limited

where one patent can have more than one assignee

Years Active: 1994-2011

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7978737 - Laser device, control device of laser device, method of controlling laser device, method of tuning wavelength of laser device and control data of laser device (2011-07-12),

2. 7701984 - Laser module and method of controlling wavelength of external cavity laser (2010-04-20),

3. 6876683 - Optical semiconductor device (2005-04-05),

4. 5952673 - Optical semiconductor device including a multiple quantum well structure (1999-09-14),

5. 5937120 - Optical device (1999-08-10),

6. 5347533 - Optical semiconductor device, method of producing the optical (1994-09-13),

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