Inventor
Mitsutaka Hayakawa
Inventor
Kamakura, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B28Cprimary
B28CPreparing clay50%
G01NInvestigating or analysing materials by determining their chemical or physical properties38%
C04BLime, magnesia13%
PatentTitleYear
4,715,719'Method of preparing mortar or concrete'19874,686,852'Method of preparing mortar or concrete'19874,431,310'Method of preparing kneaded compositions'19844,176,965'Method and apparatus for weighing aggregates'19794,143,541'Method and device for measuring the characteristics of plastic fluid and control system for pouring the same into moulds'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1987Patents assigned to ITO YASURO (5)· patent assignee history
1979–1987Patents assigned to TAISEI CORP (4)· patent assignee history
1979–1987Based in Kamakura, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ITO YASURO | 5 | 1979–1987 |
| TAISEI CORP | 4 | 1979–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kamakura, JP | 5 | 1979–1987 |