Inventor

Akira Watabe

Inventor

Higashi-Ibaraki-gun, JP

Overview

1987–2015

Patent span

Mechanical engineering

Primary field (CPC F)

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps36%

F02DControlling combustion engines18%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof18%

Y02TClimate change mitigation technologies related to transportation18%

G01NInvestigating or analysing materials by determining their chemical or physical properties9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history

1987Based in Fujimi, JP· patent location history

2013–2015Patents assigned to HITACHI HIGH TECH CORP (4)· patent assignee history

2013–2015Patents assigned to WATABE AKIRA (4)· patent assignee history

2013–2015Patents assigned to YAGUCHI TOSHIE (4)· patent assignee history

2013–2015Patents assigned to NAGAKUBO YASUHIRA (3)· patent assignee history

2013Based in Ibaraki, JP· patent location history

2014–2015Based in Higashi-Ibaraki-gun, JP· patent location history

2014Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations