Inventor
HAYAKAWA TSUYOSHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKOSHA KK
9 patentsUS5336004AAug 9, 1994
Dot printer
SEIKOSHA KK86 citations94
USD303228SSep 5, 1989
Clock movement
SEIKOSHA KK12 citations74
US5534903AJul 9, 1996
Ink jet head
SEIKOSHA KK12 citations73
USD303227SSep 5, 1989
Clock movement
SEIKOSHA KK14 citations73
US5105398AApr 14, 1992
Three hands type clock with belt drive
SEIKOSHA KK10 citations70
US4796239AJan 3, 1989
Circuit unit for timepiece and process for fabricating the same
SEIKOSHA KK2 citations62
US4745682AMay 24, 1988
Method of connecting coil
SEIKOSHA KK2 citations62
US5344245ASep 6, 1994
Serial printer
SEIKOSHA KK6 citations60
USD333105SFeb 9, 1993
Clock movement
SEIKOSHA KK0 citations52
HAMAMATSU PHOTONICS KK
3 patentsUS4862004AAug 29, 1989
Radiation dose measuring method and apparatus with nuclide discrimination function
HAMAMATSU PHOTONICS KK29 citations92
US5260029ANov 9, 1993
Fluorescence detection of DNA bases
HAMAMATSU PHOTONICS KK26 citations91
US4912737AMar 27, 1990
X-ray image observing device
HAMAMATSU PHOTONICS KK19 citations81
BIO SENSOR KENKYUSHO KK
2 patentsUS5637874AJun 10, 1997
Apparatus and method for measuring chemiluminescence
BIO SENSOR KENKYUSHO KK120 citations94
US5523845AJun 4, 1996
A fiber optic device for measuring liquids which are drawn into an end of the device to a predetermined distance from the end of the optical fibers
BIO SENSOR KENKYUSHO KK7 citations68