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Inventor

Katuhiro Kumagai

Inventor
Tokyo, JP

Overview

2→
Patents
1994–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general33%
G06FElectric digital data processing33%
Y02TClimate change mitigation technologies related to transportation33%
PatentTitleYear
11,074,402Linguistically consistent document annotation20215,325,664'System for determining deterioration of catalysts of internal combustion engines'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
1994Based in Wako, JP· patent location history
2021Patents assigned to IBM (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD11994
IBM12021
Locations
LocationPatentsSpan
Tokyo, JP12021
Wako, JP11994