TK

Tohru Koyama

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
Mitsubishi Electric: 9 patents #3,275 of 25,717Top 15%
RT Renesas Technology: 4 patents #758 of 3,337Top 25%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
RE Ryoden Semiconductor System Engineering: 2 patents #57 of 195Top 30%
Overall (All Time): #139,828 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4448940 Thermosetting resin composition and prepolymer thereof Motoyo Wajima, Junji Mukai 1984-05-15
4369288 Odorless or low-odor crosslinkable compound and resin composition containing the same Toshikazu Narahara, Yuji Aimono 1983-01-18
4297471 Odorless or low-odor crosslinkable compound and resin composition containing the same Toshikazu Narahara, Yuji Aimono 1981-10-27