Inventor

HAYAKAWA TAKUMI

JP3 patents

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

SHIN KOBE ELECTRIC MACHINERY

2 patents

US4652505AMar 24, 1987

Sealed lead storage battery

SHIN KOBE ELECTRIC MACHINERY17 citations67

US4758482AJul 19, 1988

Enclosed type lead batteries and method for producing the same

SHIN KOBE ELECTRIC MACHINERY13 citations66

KEISHIN MATSUMOTO

1 patent

US3944431AMar 16, 1976

Plate grid in use for a plate for a lead storage battery

KEISHIN MATSUMOTO6 citations50