The precise assembly or components is a prerequisite for giving advanced technology a form that can help enhance our lives. Rivets are an indispensable element in this process.
Yoshikawa Iron Works is one of the pioneers of mechanical riveting. Our superior riveting systems, with their advanced mechatronics, have been empowering manufacturers to develop all kinds of innovative machines for nearly half a century.
Through our Rivetronics advanced riveting technology, we aim to contribute to a bright future where technology helps to turn people's dreams into reality.
Yoshikawa Iron Works is one of the pioneers of mechanical riveting. Our superior riveting systems, with their advanced mechatronics, have been empowering manufacturers to develop all kinds of innovative machines for nearly half a century.
Through our Rivetronics advanced riveting technology, we aim to contribute to a bright future where technology helps to turn people's dreams into reality.
1950 | Yoshikawa Tetsukojo established at 2.25 Choeiji,Higashi-Osaka,Japan. |
1955 | Research begins into riveting machines. |
1959 | Move to new plant at 2-11 Morikawachi-Hondori, Higashi-Osaka to accommodate expansion. |
1960 | Yoshikawa lron Works Co.,Ltd. established. Six patents granted for riveting machines. Model ST-55 developed. |
1962 | Model SR-300 developed. |
1964 April | Headquarters moved to present location upon completion of new plant. |
1964 May | Tokyo office established. |
1965 | Switch from impact-type to rolling mechanism. Model US-6 developed. |
1967 | Nagoya office established. |
1968 | Three more riveting machine patents granted. |
1969 | Technical and business collaboration with Bodomel of Switzerland begins. |
1970 | Three more riveting machine patents granted. Model US-120 developed. |
1971 | Model US-70 developed. |
1973 | Four more riveting machine patents granted. |
1974 | Two US patents and one French patent granted. |
1975 | Fukuoka office established. |
1976 | One UK patent and six Japanese patents granted. |
1977 | Model US-300 developed. |
1978 | Five more riveting machine patents granted. Model US-66 developed. |
1979 | Three more riveting machine patents granted. |
1981 | Five more riveting machine patents granted. Model US-36 developed. |
1982 | CNC（computer Numerical control）riveting machine developed. |
1984 | New headquarters building completed. |
1985 | New Tokyo office completed. |
1986 | New Nagoya office completed. |
1988 | Four more riveting machine patents granted. |
1989 | Two more riveting machine patents granted. |
1990 | Seven more riveting machine patents granted. |
1991 | Three more riveting machine patents granted. |
1992 | Two US patents granted. |
1994 | Eleven Japanese patents and six US/EPU patents granted. |
1995 | Five more riveting machine patents granted. |
1996 | Six more riveting machine patents granted. |
1997 | New Tokyo office building completed. Four more riveting machine patents granted. Model US-1000 developed. |
1998 | Company awarded Science and Technology Medal with Yellow Ribbon. Five more riveting machine patents granted. |
1999 | One more riveting machine patents granted. |
2000 | Model US-600 developed. |
2002 | Ultra precise composite machine developed. |
2005 | New Nagoya office completed. A new company organization is announced. |
2020 | Fukuoka office closed. |