Inventor
TSUTOMU YAMAMOTO
Inventor
JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Fprimary
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals14%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
C08LCompositions of macromolecular compounds14%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties14%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
H01QAntennas, i.e. radio aerials14%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to SAKAI CHEMICAL INDUSTRY CO (1)· patent assignee history
2022–2025Based in JP· patent location history
2025Patents assigned to HARADA IND CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HARADA IND CO LTD | 1 | 2025 |
| SAKAI CHEMICAL INDUSTRY CO | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 2 | 2022–2025 |