P
PatentIndex
Search
Landscape
Sign in
Inventor
NAKAYAMA IWAO
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA IWAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHIMA KOGYO KK
2 patents
US4916413A
Apr 10, 1990
Package for piezo-oscillator
MATSUSHIMA KOGYO KK
20 citations
79
US4677397A
Jun 30, 1987
Quartz crystal oscillator with crystal supported on spring
MATSUSHIMA KOGYO KK
6 citations
57
SEIKO EPSON CORP
1 patent
US5119269A
Jun 2, 1992
Semiconductor with a battery unit
SEIKO EPSON CORP
79 citations
91