Inventor · Chiba, JP

Tatsuya Ozawa

9Patents
5h-index
16Co-inventors
60Inventor score

Filing activity: Aug 26, 1987 → Nov 7, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6139692A Method of controlling the operating temperature and pressure of a coke oven Chemistry; Metallurgy 95 Expired
US6733635B1 Method of repairing a coke oven buckstay and a moving device for use in such method Chemistry; Metallurgy 70 Expired
US6539602B1 Method of repairing coke oven Emerging Cross-Sectional Technologies 49 Expired
US6872074B2 Method for discharging reduced product from a movable-hearth furnace and a discharging device Emerging Cross-Sectional Technologies 7 Expired
US6629839B2 Method and apparatus for charging raw and carbonaceous materials into a moving hearth furnace Chemistry; Metallurgy 5 Expired
US5041375A Method of producing carnitine Emerging Cross-Sectional Technologies 5 Expired
US4918012A Method for producing carnitine, L-carnitinamide hydrolase and method for producing same Emerging Cross-Sectional Technologies 3 Expired
US7473393B2 Method for discharging reduced product from a movable-hearth furnace and a discharging device Emerging Cross-Sectional Technologies 1 Active
US7141205B2 Method for discharging reduced product from a movable-hearth furnace and a discharging device Emerging Cross-Sectional Technologies 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.