Kozo Ishizaki
3Patents
0Active
3Granted
27Portfolio score
Filing activity: Feb 13, 1995 → Jul 31, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6485533B1 | Porous grinding stone and method of production thereof | Performing Operations; Transporting | 31 | Expired |
| US5718736A | Porous ultrafine grinder | Performing Operations; Transporting | 20 | Expired |
| US5637123A | Porous metal bond grinder and method of manufacturing the same | Chemistry; Metallurgy | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.