IH

Isamu Hanahara

DK Denki Kagaku Kogyo: 4 patents #65 of 655Top 10%
Overall (All Time): #1,306,112 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4704413 Resin composition having electromagnetic wave shielding effect Takeshi Nabeta 1987-11-03
4696956 Resin composition having electromagnetic wave shielding effect Takeshi Nabeta 1987-09-29
4604413 Resin composition having electromagnetic wave shielding effect Takeshi Nabeta 1986-08-05
4602051 Resin composition having electromagnetic wave shielding effort Takeshi Nabeta 1986-07-22