YOSHIZUKA SEIKI CO LTD has a total of 11 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, France and Sweden. Its main competitors in its focus markets machine tools, materials and metallurgy and machines are NIPPON DENJI SOKKI KK, TOM POLITEKHN UNI and YANGZHOU HAILI PREC MACHINERY MANUFACTURING CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | France | 1 | |
#3 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Materials and metallurgy | |
#3 | Machines | |
#4 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Presses | |
#2 | Working metallic powder | |
#3 | Shaping of plastics | |
#4 | Grinding or polishing devices | |
#5 | Shafts | |
#6 | Certain plastics | |
#7 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Katagiri Takeshi | 7 |
#2 | Yamamoto Masao | 5 |
#3 | Tajima Tukasa | 3 |
#4 | Shirasaki Shiro | 2 |
#5 | Shirasaki Siro | 2 |
#6 | Takeshi Katagiri | 1 |
#7 | Masaaki Ozu | 1 |
#8 | Tsuchifuji T | 1 |
#9 | Tsuchifuji Takakazu | 1 |
#10 | Sirasaki Siro | 1 |
Publication | Filing date | Title |
---|---|---|
US5401153A | Press for powder metallurgy |