首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
SELECTION OF DISTRIBUTED FEEDBACK SEMICONDUCTOR LASER
摘要
申请公布号
JPH02288286(A)
申请公布日期
1990.11.28
申请号
JP19890110227
申请日期
1989.04.27
申请人
NEC CORP
发明人
UEHARA KUNIO
分类号
H01L21/66;H01S5/00
主分类号
H01L21/66
代理机构
代理人
主权项
地址
您可能感兴趣的专利
A device for inhibiting water ingress in a roof
HOLDER FOR USED BAGS
Accessing de-duplicated data files stored across networked servers
Magnetic Coupling and Cancellation Arrangement for inductors.
Method and system for diagnosing faults of a component of a vehicle
Apparatus for facilitating access to utility services for buildings
Overcharge protection circuit with redundant voltage detector
Method of producing thiamethoxam
Ceiling board lift
Testing transaction applications
Horsebox partition
Provisioning, upgrading and/or changing of hardware
Stator
Method of plugging a well for permanent abandonment
Geothermal Ground Loop Heat Exchanger for Circulating Heat Pump Systems
Protective caddy for fibre optic cable ferrules
DecaCrush recycled waste compactor
DOG MODEL
Mathematical method for forecasting oilfield production
Improved harmonic drive