Inventor

Takashi Nagaoka

Inventor

Tsukuba, JP

Overview

1986–2019

Patent span

Mechanical engineering

Primary field (CPC F)

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

F04Dprimary

F04DNon-positive-displacement pumps29%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%

H01GCapacitors6%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

C23CCoating metallic material4%

D21FPaper-making machines4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–1999Patents assigned to HITACHI LTD (14)· patent assignee history

1986–1991Based in Ibaraki, JP· patent location history

1989–1991Patents assigned to HITACHI TOKYO ELECTRONICS (2)· patent assignee history

1990–1999Based in Tsukuba, JP· patent location history

2005Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history

2009Patents assigned to OJI PAPER CO (1)· patent assignee history

2009Based in Mihara, JP· patent location history

2018–2019Patents assigned to SHOWA DENKO PACKAGING CO LTD (3)· patent assignee history

2018–2019Based in Kanagawa, JP· patent location history

2018Based in Isehara, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations