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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S372/00Coherent light generators

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser with wide side of tapered light gain region
- Patent number 6,075,801
- Issue date Jun 13, 2000
- NEC Corporation
- Takemasa Tamanuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser having a multiple quantum well structure doped...
- Patent number 4,881,235
- Issue date Nov 14, 1989
- Hitachi, Ltd.
- Naoki Chinone
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Wavelength tunable semiconductor laser with narrow band-pass active...
- Patent number 4,852,108
- Issue date Jul 25, 1989
- Kokusai Denshin Denwa Kabushiki Kaisha
- Katsuyuki Utaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rare earth doped semiconductor laser
- Patent number 4,737,960
- Issue date Apr 12, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Won-Tien Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,639,925
- Issue date Jan 27, 1987
- Kabushiki Kaisha Toshiba
- Haruki Kurihara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents