Inventor

Takashi Hiyama

Inventor

Tokyo, JP

Overview

1980–2021

Patent span

Mechanical engineering

Primary field (CPC F)

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

F01Dprimary

F01DNon-positive displacement machines or engines, e.g. steam turbines22%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants17%

H04BTransmission17%

A61KPreparations for medical, dental or toiletry purposes11%

C07KPeptides11%

F04DNon-positive-displacement pumps6%

G01NInvestigating or analysing materials by determining their chemical or physical properties6%

H03GControl of amplification6%

H04NPictorial communication, e.g. television6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980–1982Patents assigned to NIPPON ELECTRIC CO (2)· patent assignee history

1980–2021Based in Tokyo, JP· patent location history

1985Patents assigned to AMANO PHARMA CO LTD (1)· patent assignee history

1985–1987Based in Tokushima, JP· patent location history

1998Patents assigned to DORYOKURO KAKUNENRYO (1)· patent assignee history

2004–2020Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history

2004Based in Takasago, JP· patent location history

2014–2015Patents assigned to HIYAMA TAKASHI (2)· patent assignee history

2014Based in Ohtawara, JP· patent location history

2020Based in Yokohama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations