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Inventor

Hiroshi Otsu

Inventor
Aichi, JP

Overview

3→
Patents
1994–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form18%
B44CProducing decorative effects18%
B44FSpecial designs or pictures18%
D21HPulp compositions18%
Y10TTechnical subjects covered by former us classification18%
LOC149%
PatentTitleYear
D0914046Display screen with graphical user interface20215,500,259'Artificial granite solid material'19965,338,584'Artificial granite solid material'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to AICA KOGYO CO LTD (2)· patent assignee history
1994–1996Patents assigned to KOHJIN CO (2)· patent assignee history
1994–1996Based in Aichi, JP· patent location history
2021Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AICA KOGYO CO LTD21994–1996
KOHJIN CO21994–1996
MITSUBISHI HEAVY IND LTD12021
Locations
LocationPatentsSpan
Aichi, JP21994–1996
Tokyo, JP12021