Inventor

Keiichi Nakagawa

Inventor

Tokyo, JP

Overview

1992–2019

Patent span

Chemistry

Primary field (CPC C)

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

C10Lprimary

C10LFuels not otherwise provided for27%

C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials11%

C21BManufacture of iron or steel11%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

F27BFurnaces, kilns, ovens or retorts in general5%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace5%

A62CFire-fighting3%

B01DSeparation3%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1992–2019Based in Tokyo, JP· patent location history

2005–2013Patents assigned to CALSONIC KANSEI CORP (2)· patent assignee history

2005Based in Nakano-ku, JP· patent location history

2013–2015Patents assigned to NAKAGAWA KEIICHI (2)· patent assignee history

2013Based in Saitama, JP· patent location history

2015–2019Patents assigned to MITSUBISHI HEAVY IND LTD (12)· patent assignee history

2015Patents assigned to ASAHARA JUNJI (1)· patent assignee history

2018–2019Patents assigned to MITSUBISHI HEAVY IND ENG LTD (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations