TK

Takeshi Kumagai

TL Tokyo Electron Limited: 18 patents #330 of 5,567Top 6%
AN Alaxala Networks: 7 patents #20 of 140Top 15%
AC Alps Electric Co.: 3 patents #607 of 2,177Top 30%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
📍 Iwate, JP: #11 of 263 inventorsTop 5%
Overall (All Time): #118,448 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
6791147 Semiconductor memory device and method for manufacturing the same Junichi Karasawa, Kunio Watanabe 2004-09-14
6594186 Semiconductor memory and burn-in method for the same Satoru Kodaira, Masaya Uehara, Hitoshi Kobayashi 2003-07-15
5162983 Active filter device for suppressing harmonics in a system including a capacitive load 1992-11-10
4845578 Disk holding device for disk drive 1989-07-04
4831474 Disk supporting mechanism in disk driving device 1989-05-16
4742408 Drive pin holding spring for floppy disk drive 1988-05-03