Inventor · Watarai, JP

Kunio Nakashima

13Patents
6h-index
24Co-inventors
62Inventor score

Filing activity: Dec 11, 1990 → Jun 7, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5582281A Method of connecting a sliding member to a synchronizer ring Mechanical Engineering; Lighting; Heating 12 Expired
US5089354A Wear-resistant, anti-seizing copper alloy composite materials Emerging Cross-Sectional Technologies 10 Expired
US5207266A Water-cooled copper casting mold Performing Operations; Transporting 10 Expired
US5326646A Syncronizer ring having a spray-coated film of a wear-resistant brass material Emerging Cross-Sectional Technologies 8 Expired
US6419766B1 Cutting-free bronze alloys Mechanical Engineering; Lighting; Heating 7 Expired
US5282908A High strength .alpha. brass containing Mn, Si, Co, Fe, Sn and Pb Mechanical Engineering; Lighting; Heating 6 Expired
US5288683A Wear-resistant copper alloys and synchronizer rings for automobiles comprising the same Chemistry; Metallurgy 6 Expired
US5499672A Mold for continuous casting which comprises a flame sprayed coating layer of a tungsten carbide-based wear-resistant material Performing Operations; Transporting 4 Expired
US6523805B2 Air passage switching door Performing Operations; Transporting 4 Expired
US6676397B2 Method for manufacturing an air passage switching door Performing Operations; Transporting 1 Expired
US6001592A Polypeptide gene cDNA, vector containing said cDNA, host cells transformed with said vector, method of producing said polypeptide, DNA encoding said polypeptide Chemistry; Metallurgy 1 Expired
US7361395B2 Synchronizer ring Emerging Cross-Sectional Technologies 0 Expired
US7067068B2 Method for preventing lead from dissolving from a lead-containing copper-based alloy Chemistry; Metallurgy 0 Expired

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