Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815664 | Coated PC steel stranded cable | Masashi Oikawa, Masato Yamada, Yoshiyuki Matsubara, Shinji Nakaue, Toru Yamamoto +5 more | 2020-10-27 |
| 10184240 | Tank and method for constructing dike | Masanori Matsuura, Toshimichi Ichinomiya, Shuji Yanai, Yuji Watanabe, Tomoyoshi Yoshiwara +6 more | 2019-01-22 |
| 6853208 | Vertical probe card | Masao Okubo, Hiroshi Iwata | 2005-02-08 |
| 6300783 | Probe, manufacture of same, and vertically operative type probe card assembly employing same | Masao Okubo, Hiroshi Iwata | 2001-10-09 |
| 6294922 | Probe for testing a semiconductor integrated circuit | Masao Okubo, Hiroshi Iwata | 2001-09-25 |
| 6013169 | Method of reforming a tip portion of a probe | Masao Okubo, Hiroshi Iwata | 2000-01-11 |
| 5670889 | Probe card for maintaining the position of a probe in high temperature application | Masao Okubo, Nobuyuki Murakami, Kouji Katahira, Hiroshi Iwata | 1997-09-23 |
| 5134365 | Probe card in which contact pressure and relative position of each probe end are correctly maintained | Masao Okubo, Yasuro Yoshimitsu, Kiyoshi Sugaya | 1992-07-28 |
| 5055778 | Probe card in which contact pressure and relative position of each probe end are correctly maintained | Masao Okubo, Yasuro Yoshimitsu, Kiyoshi Sugaya | 1991-10-08 |