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
OPTICAL SWITCH
摘要
申请公布号
JPH02238441(A)
申请公布日期
1990.09.20
申请号
JP19890059393
申请日期
1989.03.10
申请人
RICOH CO LTD
发明人
KATO MASAYOSHI
分类号
G02F1/313
主分类号
G02F1/313
代理机构
代理人
主权项
地址
您可能感兴趣的专利
AIR CONDITIONER
POWDER X-RAY DIFFRACTION DATA MEASURING METHOD USING ONE-DIMENSIONAL OR TWO-DIMENSIONAL DETECTOR
STEERING COLUMN MODULE
LIGHT WEIGHT MORTAL AND SOLIDIFYING METHOD FOR RADIOACTIVE WASTE USING THE SAME
AGGREGATE AND MANUFACTURING METHOD THEREFOR
SYSTEM AND METHOD FOR TRAINING USER'S FOREIGN LANGUAGE SPEAKING AND LISTENING ABILITY
MASK FOR EXPOSURE AND PROTECTIVE LIQUID FOR THE SAME
DEFECT CORRECTING METHOD
DEFECT CORRECTING METHOD
SILVER HALIDE PHOTOSENSITIVE MATERIAL
COMPUTER-AIDED METHOD OF TRANSMITTING TEACHING MATERIAL
SYSTEM FOR PRODUCING BIOMASS LIQUEFIED FUEL
REFLECTIVITY MEASURING DEVICE
HOT WATER TEMPERATURE CONTROL METHOD FOR SOLAR WATER HEATER SUPPLYING HOT WATER OF TABLE TEMPERATURE
MOUNTING STRUCTURE OF TANK
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC METHOD AND ELECTROPHOTOGRAPHIC APPARATUS
METHOD FOR MANUFACTURING LIQUID CRYSTAL PANEL
APPARATUS AND METHOD OF INSPECTING ARRAY BOARD
TRANSPORTING BOX WITH FORK GUIDE
METHOD OF FORMING MECHANICAL JOINT