NAKAGAWA CORP has a total of 15 patent applications. Its first patent ever was published in 1979. It filed its patents most often in United States, Australia and Germany. Its main competitors in its focus markets consumer goods, surface technology and coating and machine tools are EBERLE JOSEF GMBH & CO KG, FA FR SPEIDEL and KIMURA TOSHIHIKO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 3 | |
#2 | Australia | 2 | |
#3 | Germany | 2 | |
#4 | Canada | 1 | |
#5 | China | 1 | |
#6 | EPO (European Patent Office) | 1 | |
#7 | France | 1 | |
#8 | United Kingdom | 1 | |
#9 | Hong Kong | 1 | |
#10 | Italy | 1 | |
#11 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Consumer goods | |
#2 | Surface technology and coating | |
#3 | Machine tools | |
#4 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Personal adornments | |
#2 | Electrolytic coating production | |
#3 | Making metal chains | |
#4 | Springs |
# | Name | Total Patents |
---|---|---|
#1 | Nakagawa Shigesaburo | 5 |
#2 | Nakagawa Shigeki | 4 |
#3 | Nakagawa Shigesabburo | 1 |
#4 | Shigesaburo Nakagawa | 1 |
#5 | Nakagawa S | 1 |
#6 | Shigeki Nakagawa | 1 |
Publication | Filing date | Title |
---|---|---|
WO9925215A1 | Rotation preventing necklace | |
GB2060353A | Jewellery chains | |
DE2939496A1 | Spring ring clasp for necklaces, bracelets etc. - where spring is first coated with lacquer, so it does not bond to clasp during electroplating | |
DE2939495A1 | Plating barrel for producing decorative chains - has rotary cathode bars above it, and non conductive bars inside it | |
US4348861A | Jewelry chains by electro-forming | |
IT7926065D0 | Plating barrel for producing decorative chains | |
AU6122579A | Jewellery chains by electro-forming | |
AU530868B2 | Jewellery chains by electro-forming | |
CA1126693A | Jewelry chains by electro-forming |