HY

Hirofumi Yoshihara

SA Sankosha: 2 patents #8 of 39Top 25%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
📍 Tsuru, JP: #8 of 22 inventorsTop 40%
Overall (All Time): #1,282,863 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5905282 Multi-terminal surge protection device Masaaki Sato, Mitsuru Inoue, Yasuharu Yamada, Akihiro Kasai, Hideyuki Harada 1999-05-18
5732564 Heat pump apparatus and method for stable operation with inhibition of foaming Makoto Misawa 1998-03-31
5729985 Air conditioning apparatus and method for air conditioning Hideyuki Oohashi, Katsuyuki Nagura 1998-03-24
5083185 Surge absorption device Yutaka Hayashi, Masaaki Sato, Yuji Muramatsu, Teiji Hasegawa 1992-01-21