Company Filing History:

4 out of 39,230

Fujitsu Corporation

Fujitsu Quantum Devices Limited

patents

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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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Toshio Higashi

Location History:

Company Filing History:

Years Active: 1994-2011