Inventor
Shigeru Saeda
Inventor
Oita, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds33%
C07DHeterocyclic compounds17%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
G03CPhotosensitive materials for photographic purposes17%
PatentTitleYear
4,772,700'Spiropiperidinenaphthoxazine compound'19884,489,195'Process for producing thermoplastic olefinic elastomer'19844,107,979'Method and device for measurement of environmental stress cracking'19784,048,118'Antistatic organic liquid composition'19773,956,252'Method for preventing fouling in the polymerization of olefins'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to SHOWA DENKU K K (1)· patent assignee history
1976–1978Based in Oita, JP· patent location history
1977–1988Patents assigned to SHOWA DENKO KK (4)· patent assignee history
1984Based in Ohita, JP· patent location history
1988Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHOWA DENKO KK | 4 | 1977–1988 |
| SHOWA DENKU K K | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oita, JP | 3 | 1976–1978 |
| Tokyo, JP | 1 | 1988 |
| Ohita, JP | 1 | 1984 |