Inventor

Hisayoshi Yamaguchi

Inventor

Tokyo, JP

Overview

1981–2021

Patent span

Human necessities

Primary field (CPC A)

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

A62Dprimary

A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents45%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%

C09KMaterials for miscellaneous applications, not provided for elsewhere9%

C30BSingle-crystal growth9%

G08GTraffic control systems9%

H04NPictorial communication, e.g. television9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to SHIN ETSU HANDATAI CO LTD (1)· patent assignee history

1981Based in Annaka, JP· patent location history

1989–1992Patents assigned to SHINETSU HANDOTAI KK (5)· patent assignee history

1989Patents assigned to SHIN ETSU HANDOTA CO LTD (1)· patent assignee history

1989–1992Based in Tokyo, JP· patent location history

2021Patents assigned to CALSONIC KANSEI CORP (1)· patent assignee history

2021Based in Saitama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations