Inventor
Nobuhide Itoh
Inventor
Hitachi, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing56%
B24DTools for grinding, buffing or sharpening22%
B28DWorking stone or stone-like materials11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
6,699,105'Method and apparatus for cutting and grinding single crystal SiC'20046,506,103'ELID centerless grinding apparatus'20036,336,855'Grindstone for ELID grinding and apparatus for ELID surface grinding'20026,217,423'Apparatus and method for mirror surface grinding of magnetic disc substrate'20016,203,589'Metal-resis bond grindstone and method for manufacturing the same'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2004Patents assigned to RIKEN (4)· patent assignee history
2001Patents assigned to JAPAN TOBACCO INC (1)· patent assignee history
2001Patents assigned to RIKAGAKU KENKYUSHO (1)· patent assignee history
2001–2004Based in Hitachi, JP· patent location history
2004Patents assigned to SHOWA DENKO KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RIKEN | 4 | 2001–2004 |
| JAPAN TOBACCO INC | 1 | 2001 |
| RIKAGAKU KENKYUSHO | 1 | 2001 |
| SHOWA DENKO KK | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 5 | 2001–2004 |