MI

Masaya Iwanaka

NC Nippon Chemi-Con: 1 patents #97 of 199Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,966,726 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4637489 Electroacoustic transducer Seiji Kajiwara 1987-01-20