Inventor
Tetsushi Tomizawa
Inventor
Urawa, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes83%
G07GRegistering the receipt of cash, valuables, or tokens17%
PatentTitleYear
6,122,560'Method and device for computing material requirements'20005,764,519'Method and device for computing material requirements'19985,331,543'Business monitoring system and method'19945,303,144'Computer aided planning support system'19945,282,273'Enterprise information system having three level hierarchy of data bases and communication paths'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2000Patents assigned to HITACHI LTD (4)· patent assignee history
1994Patents assigned to HITACHI MICROCOMPUTER SYST (1)· patent assignee history
1994–2000Based in Urawa, JP· patent location history
1998Patents assigned to HITACHI INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 1994–2000 |
| HITACHI INC | 1 | 1998 |
| HITACHI MICROCOMPUTER SYST | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Urawa, JP | 5 | 1994–2000 |