P

Inventor

SUMI MASAO

JP9 patents
⚠️ This page may combine multiple inventors who share the name “SUMI MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

3 patents
US4185890AJan 29, 1980

Optical transmission line

HITACHI LTD32 citations92
US4123242AOct 31, 1978

Apparatus for producing optical fiber

HITACHI LTD32 citations92
US4101300AJul 18, 1978

Method and apparatus for drawing optical fiber

HITACHI LTD24 citations81

HITACHI CABLE

2 patents
US4184744AJan 22, 1980

Optical fiber

HITACHI CABLE69 citations94
US4206967AJun 10, 1980

Optical fiber

HITACHI CABLE16 citations73

UNITIKA LTD

2 patents
US4442252AApr 10, 1984

Cold-set adhesive compositions comprising polyvinyl alcohol for paper and paper board

UNITIKA LTD25 citations75
US4140668AFeb 20, 1979

Water soluble or water dispersible hot-melt adhesive compositions based on polyvinyl alcohol with residual acetate groups and process for producing the same

UNITIKA LTD21 citations75

SUZUKI MOTOR CO

1 patent
US6671638B2Dec 30, 2003

Oscillation measuring method and frequency measuring apparatus

SUZUKI MOTOR CO16 citations78

MITSUBISHI HEAVY IND LTD

1 patent
US5145753ASep 8, 1992

Solid electrolyte fuel cell

MITSUBISHI HEAVY IND LTD16 citations70