Tsutomu Imai

SO Sony: 1 patents #49 of 234Top 25%

📍 Yokkaichi, WA: #1 of 1 inventorsTop 100%

Overall (1982): #26,462 of 81,411Top 35%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4329547	Dual section electret microphone	—	1982-05-11