Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879576 | Method and apparatus for processing substrates | Kenya Wada, Kazuhiko Gonmori, Hisayoshi Ichikawa, Hiroshi Fukuda | 1999-03-09 |
| 5505260 | Method and apparatus for wellbore sand control | Eric E. Andersen, Larry K. Moran, Richard M. Hodge | 1996-04-09 |
| 5404954 | Well screen for increased production | Lee E. Whitebay | 1995-04-11 |
| 5232048 | Well screen with increased outer surface area | Lee E. Whitebay | 1993-08-03 |
| 5207282 | Method for inhibiting the initiation and propagation of formation fractures while drilling and casing a well | Giin-Fa Fuh, Donald L. Whitfill, David A. Strah | 1993-05-04 |
| 5180020 | Method for inhibiting the initiation and propagation of formation fractures while drilling | Giin-Fa Fuh, Donald L. Whitfill, David A. Strah | 1993-01-19 |
| 4471577 | Double spindle grinding machine | Isao Ogawa, Masaki Sato, Takeshi Kobayashi | 1984-09-18 |
| 4459877 | Positioning apparatus for index table in center column type rotary index machine | — | 1984-07-17 |