MK

Machio Kawashima

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
📍 Mobara, JP: #274 of 731 inventorsTop 40%
Overall (All Time): #1,305,231 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4642527 In-line color picture tube apparatus with dynamic convergence correction device Koji Takahashi 1987-02-10
4514664 Color television receiver Kunisuke Kasagi 1985-04-30
4326147 Slotted shadow mask having apertures spaced to minimize moire Takeshi Nakayama, Takehiko Nishimoto, Kozi Takahashi, Kuniharu Osakabe 1982-04-20
4210842 Color picture tube with shadow mask Takeshi Nakayama, Takehiko Nishimoto, Kozi Takahashi, Kuniharu Osakabe 1980-07-01