TH

Tsuyoshi Hayama

AC Alps Electric Co.: 2 patents #822 of 2,177Top 40%
📍 Rifu, JP: #1,001 of 2,101 inventorsTop 50%
Overall (All Time): #2,134,201 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7559148 Magnetic azimuth detecting device 2009-07-14
7521739 Illuminating device and method of fabricating the same Hideyuki Takahashi, Satoshi Miyazawa, Akira Nakano, Ryosuke Uchida 2009-04-21