Inventor
HOSOYA MASACHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “HOSOYA MASACHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON SEIKO KK
4 patentsUS5332460AJul 26, 1994
Method of manufacturing a seal ring for magnetic fluid seal device
NIPPON SEIKO KK24 citations90
US5051853ASep 24, 1991
Magnetic disc device
NIPPON SEIKO KK31 citations90
US4973064ANov 27, 1990
Magnetic fluid seal device
NIPPON SEIKO KK20 citations79
US4841408AJun 20, 1989
Electroconductive sliding apparatus
NIPPON SEIKO KK16 citations73