LexDanaLexDanabeta
Inventor

Tetsuo Iwamoto

Inventor
Tokorozawa, JP

Overview

5→
Patents
1986–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F23Nprimary
F23NRegulating or controlling combustion14%
F25BRefrigeration machines, plants or systems14%
F25DRefrigerators14%
G01FMeasuring volume, volume flow, mass flow or liquid level14%
G06FElectric digital data processing14%
G06TImage data processing or generation, in general14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
10,935,300Refrigerator including a detachably mounted cooling unit20215,818,421'Input interface apparatus for large screen display'19985,309,549'Method for and apparatus for synthesizing and filling in figures having contours'19944,694,702'Vortex shedding flowmeter'19874,585,161'Air fuel ratio control system for furnace'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to TOKICO LTD (2)· patent assignee history
1986Patents assigned to TOKYO GAS CO LTD (1)· patent assignee history
1986–1987Based in Yokohama, JP· patent location history
1994–1998Patents assigned to HITACHI LTD (2)· patent assignee history
1994–1998Based in Tokorozawa, JP· patent location history
2021Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21994–1998
TOKICO LTD21986–1987
SAMSUNG ELECTRONICS CO LTD12021
TOKYO GAS CO LTD11986
Locations
LocationPatentsSpan
Tokorozawa, JP21994–1998
Yokohama, JP21986–1987
Kanagawa, JP12021