Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8456184 | Probe card for a semiconductor wafer | Yoshio Yamada, Hiroshi Nakayama, Tsuyoshi Inuma, Takashi Akao | 2013-06-04 |
| 8149006 | Probe card | Hiroshi Nakayama, Yoshio Yamada | 2012-04-03 |
| 8049525 | Parallelism adjusting mechanism of probe card | Yoshio Yamada, Hiroshi Nakayama, Tsuyoshi Inuma, Takashi Akao | 2011-11-01 |
| 8018242 | Probe card | Hiroshi Nakayama, Yoshio Yamada | 2011-09-13 |
| 7898272 | Probe card | Shunsuke Sasaki, Tsuyoshi Inuma, Yoshio Yamada, Takashi Akao, Hiroshi Nakayama | 2011-03-01 |
| 7795892 | Probe card | Yoshio Yamada, Hiroshi Nakayama, Shogo Imuta | 2010-09-14 |
| 7785147 | Conductive contact holder and conductive contact unit | Hiroshi Nakayama | 2010-08-31 |
| 7239158 | Holder for conductive contact | Toshio Kazama, Hiroyasu Sotoma | 2007-07-03 |