YM

Yuichi Matsushita

Brother Kogyo: 30 patents #247 of 2,767Top 9%
OC Oki Electric Industry Co.: 18 patents #36 of 2,807Top 2%
SO Sony: 2 patents #12,963 of 25,231Top 55%
LC Lapis Semiconductor Co.: 1 patents #173 of 349Top 50%
OC Oki Semiconductor Co.: 1 patents #202 of 526Top 40%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
Overall (All Time): #48,979 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
5347488 Semiconductor memory device for generating a controlling signal to select a word line 1994-09-13
4524402 Rotary magnetic head drum apparatus Sachio Ueda, Shigehiro Toriyama 1985-06-18
4366515 Automatic head height control apparatus Masayuki Takano, Sadao Hosoi 1982-12-28