Inventor
Koichiro Ohtomo
Inventor
Takatsuki, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons12%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials12%
Y10TTechnical subjects covered by former us classification12%
C03CChemical composition of glasses, glazes or vitreous enamels9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
D21HPulp compositions6%
A61KPreparations for medical, dental or toiletry purposes3%
A61QSpecific use of cosmetics or similar toiletry preparations3%
B01DSeparation3%
B29CShaping or joining of plastics3%
PatentTitleYear
4,233,211'Finely powdered fibroin and process for producing same'19804,140,533'Alkali resistant glass compositions and alkali resistant glass fibers prepared therefrom'19794,067,769'Heat resistant and flame resistant papers'19784,067,744'Alkali-resistant glass composition and glass fibers made therefrom'19784,039,484'Process for the production of anion-exchangeable nonhollow novolak filaments'19774,007,250'Method for producing infusible and insoluble styrene copolymeric fibers'19773,999,834'Method for producing optical fibers and resulting fibers'19763,996,327'Process for spinning composite fiber of phenolic resin'19763,973,974'Alkali resistant glass compositions and alkali resistant glass fibers prepared therefrom'19763,961,123'Radiation shielding phenolic fibers and method of producing same'19763,953,236'Lead storage battery'19763,949,115'Hollow filamentary structures'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1980Patents assigned to KANEBO LTD (10)· patent assignee history
1976Patents assigned to NIPPON KYNOL INC (1)· patent assignee history
1976Patents assigned to OHTOMO KOICHIRO (1)· patent assignee history
1976Patents assigned to TAMURA YOSHIO (1)· patent assignee history
1976–1980Based in Takatsuki, JP· patent location history
1976Based in Osaka, JP· patent location history
1977Based in Takatsuk, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KANEBO LTD | 10 | 1976–1980 |
| NIPPON KYNOL INC | 1 | 1976 |
| OHTOMO KOICHIROself | 1 | 1976 |
| TAMURA YOSHIO | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Takatsuki, JP | 10 | 1976–1980 |
| Takatsuk, JP | 1 | 1977 |
| Osaka, JP | 1 | 1976 |