Inventor

Kaname Yamamoto

Inventor
Tokyo, JP

Overview

13→
Patents
1976–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E04Dprimary
E04DRoof coverings21%
Y10TTechnical subjects covered by former us classification21%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates9%
A61KPreparations for medical, dental or toiletry purposes2%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
C10MLubricating compositions2%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions2%
D04GMaking nets by knotting of filamentary material2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to TAJIMA ROOFING CO (9)· patent assignee history
1976–2021Based in Tokyo, JP· patent location history
1988Patents assigned to AMITA IRON WORKS INC (1)· patent assignee history
1988Based in Toyohashi, JP· patent location history
1997Patents assigned to RICOH KK (1)· patent assignee history
1997Based in Yokohama, JP· patent location history
2011Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (1)· patent assignee history
2021Patents assigned to COSMO OIL LUBRICANTS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAJIMA ROOFING CO91976–1987
AMITA IRON WORKS INC11988
CHUGAI PHARMACEUTICAL CO LTD12011
COSMO OIL LUBRICANTS CO LTD12021
RICOH KK11997
Locations
LocationPatentsSpan
Tokyo, JP111976–2021
Yokohama, JP11997
Toyohashi, JP11988