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
CONFERENCE TELEPHONE SYSTEM
摘要
申请公布号
JPS6424555(A)
申请公布日期
1989.01.26
申请号
JP19870179899
申请日期
1987.07.21
申请人
IWATSU ELECTRIC CO LTD;NIPPON TELEGR & TELEPH CORP <NTT>
发明人
WATANABE KAZUYUKI;HIROMI YOSUKE;OIKAWA HIROSHI;NISHINO MASAKAZU;HIDA MIZUHIRO
分类号
H04M9/08
主分类号
H04M9/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
TREATMENT OF MULTIPLE SCLEROSIS WITH COMBINATION OF LAQUINIMOD AND GLATIRAMER ACETATE
LATCH VALVE AND FLOW CONTROL DEVICE USING THE SAME
CONTENT DISPLAY DEVICE
SOYBEAN VARIETY A1026091
SOYBEAN VARIETY A1026170
IMAGE FORMING APPARATUS FOR FORMING IMAGE ON SHEET
COMMUNICATION METHOD BETWEEN TERMINALS, AND TERMINAL
Vehicle Support Frames with Interlocking Features for Joining Members of Dissimilar Materials
HIGH LIFT SYSTEM FOR AN AIRCRAFT
DYNAMICALLY LIMITING VEHICLE OPERATION FOR BEST EFFORT ECONOMY
LIQUID EJECTION APPARATUS
ELECTROSTRICTIVE COMPOSITE AND METHOD FOR MAKING THE SAME
PHONONIC METAMATERIALS FOR VIBRATION ISOLATION AND FOCUSING OF ELASTIC WAVES
SQUELCH DETECTOR CIRCUIT AND METHOD
METHOD FOR AVOIDING INFLUENCE OF ENDOGENOUS LIPOPROTEIN AND REAGENT
STARTUP CONTROL DEVICE AND METHOD FOR FUEL CELL SYSTEM
System and Method for Improving Turbine Efficiency using a Frame and Shroud System
SYSTEMS, METHODS, AND COMPUTER-READABLE MEDIA FOR MANAGING COLLABORATION ON A VIRTUAL WORK OF ART
Systems and Methods for Modeling 3D Geological Structures
UV FLUID STERILIZER SUITABLE TO STERILIZE FLUID HAVING POOR UV TRANSMISSION