Toshiyuki Tanahashi

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stripe laser diode having an improved efficiency for current confin...
- Patent number 5,621,748
- Issue date Apr 15, 1997
- Fujitsu Limited
- Makoto Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Stripe laser diode having an improved efficiency for current confin...
- Patent number 5,436,194
- Issue date Jul 25, 1995
- Fujitsu Limited
- Makoto Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser of patterned-substrate type and structure thereof
- Patent number 5,375,136
- Issue date Dec 20, 1994
- Fujitsu Limited
- Chikashi Anayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of semiconductor laser of patterned-substrate...
- Patent number 5,336,635
- Issue date Aug 9, 1994
- Fujitsu Limited
- Chikashi Anayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser having double heterostructure
- Patent number 5,255,281
- Issue date Oct 19, 1993
- Fujitsu Limited
- Mami Sugano
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser having double heterostructure and method of pro...
- Patent number 5,202,285
- Issue date Apr 13, 1993
- Fujitsu Limited
- Mami Sugano
- B82 - NANO-TECHNOLOGY