Inventor

CHIGIRA SADAO

JP5 patents

⚠️ This page may combine multiple inventors who share the name “CHIGIRA SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KANSAI PAINT CO LTD

2 patents

US5547501AAug 20, 1996

Method for formation of invisible marking and method for reading of invisible marking

KANSAI PAINT CO LTD159 citations97

US5686725ANov 11, 1997

Method for reading of invisible marking

KANSAI PAINT CO LTD68 citations94

DORYOKURO KAKUNENRYO

2 patents

US4896941AJan 30, 1990

Image-transmitting fiber

DORYOKURO KAKUNENRYO136 citations94

US4770493ASep 13, 1988

Heat and radiation resistant optical fiber

DORYOKURO KAKUNENRYO65 citations94

TOSHIBA KK

1 patent

US4707075ANov 17, 1987

Very-low-temperature fiberscope

TOSHIBA KK12 citations73