Inventor

Kenji Isono

Inventor

Yokohama, JP

Overview

1988–2021

Patent span

Physics

Primary field (CPC G)

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them27%

E03DWater-closets or urinals with flushing devices13%

H04NPictorial communication, e.g. television13%

A01GHorticulture7%

A61LMethods or apparatus for sterilising materials or objects in general7%

F25CProducing, working or handling ice7%

G01RMeasuring electric variables7%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%

H02JElectric power networks7%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to SUGA WEATHERING TECHNOLOGY FOU (1)· patent assignee history

1988Based in Tokyo, JP· patent location history

1992–2020Patents assigned to NIKON CORP (4)· patent assignee history

1992Based in Narashino, JP· patent location history

1992Based in Kawasaki, JP· patent location history

2019–2020Based in Yokohama, JP· patent location history

2021Patents assigned to TOTO LTD (2)· patent assignee history

2021Based in Kitakyushu, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIKON CORP	4	1992–2020
TOTO LTD	2	2021
SUGA WEATHERING TECHNOLOGY FOU	1	1988

Locations