Inventor
YAMAGISHI MASAAKI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGISHI MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
6 patentsUS5227914AJul 13, 1993
Stereomicroscope including a single variable magnification optical system
OLYMPUS OPTICAL CO25 citations92
US4685776AAug 11, 1987
Inverted-design optical microscope
OLYMPUS OPTICAL CO32 citations92
US5331457AJul 19, 1994
Stereomicroscope wherein the distance between a pair of beams remains unchanged when the magnification is changed
OLYMPUS OPTICAL CO14 citations74
US4591243AMay 27, 1986
Microscope objective
OLYMPUS OPTICAL CO9 citations73
US4563060AJan 7, 1986
Microscope objective
OLYMPUS OPTICAL CO13 citations73
US5074650ADec 24, 1991
Stereomicroscope including an objective with positive and negative meniscus lenses and with optical axes intersecting beyond the object
OLYMPUS OPTICAL CO9 citations66
JEOL LTD
3 patentsUS5734205AMar 31, 1998
Power supply using batteries undergoing great voltage variations
JEOL LTD105 citations97
US6317343B1Nov 13, 2001
Capacitor power supply with switches to decrease variations in output voltage
JEOL LTD64 citations96
US6215278B1Apr 10, 2001
Capacitor module, bank of such modules, and storehouse housing such banks
JEOL LTD29 citations92