Ookubo; Hiroyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ookubo; Hiroyuki.The latest application filed is for "apparatus for preparing a flocculant for water treatment".
- Ookubo; Hiroyuki - Tokyo JP
- Ookubo; Hiroyuki - Okayama JP
- Ookubo; Hiroyuki - Narashino JA
- Ookubo; Hiroyuki - Chiba JA
| Patent | Date |
|---|---|
| Process for preparing a flocculant for water treatment Grant 7,338,617 - Koga , et al. March 4, 2 | 2008-03-04 |
| Apparatus for preparing a flocculant for water treatment App 20050121377 - Koga, Yoshiaki ; et al. | 2005-06-09 |
| Linear shape steel excellent in joint fatigue characteristics and production method therefor Grant 6,706,125 - Kimura , et al. March 16, 2 | 2004-03-16 |
| Process for preparing a flocculant for water treatment App 20030019815 - Koga, Yoshiaki ; et al. | 2003-01-30 |
| Linear shape steel excellent in joint fatigue characteristics and production method therefor App 20020192012 - Kimura, Tatsumi ; et al. | 2002-12-19 |
| Magnetic field sensing apparatus Grant 4,079,360 - Ookubo , et al. March 14, 1 | 1978-03-14 |
| Magnetic field sensing apparatus for sensing the proximity of a member having high magnetic permeability without requiring an external field source Grant 4,021,728 - Makino , et al. May 3, 1 | 1977-05-03 |
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