Inventor

YOKOTA ICHIRO

JP3 patents

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

HITACHI LTD

2 patents

US6433925B1Aug 13, 2002

Optical fiber amplifier and optical transmission system using the same

HITACHI LTD41 citations92

US6532103B1Mar 11, 2003

Optical fiber amplifier and optical transmission system using the same

HITACHI LTD11 citations73

DAINIPPON INK & CHEMICALS

1 patent

US4907709AMar 13, 1990

Combination of synthetic resin bottle and closure therefor

DAINIPPON INK & CHEMICALS148 citations96