Inventor

Tomiji Watabe

Inventor
Annaka, JP

Overview

9→
Patents
1983–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
F03BMachines or engines for liquids13%
H01LSemiconductor devices10%
F15BSystems acting by means of fluids in general7%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%
C07DHeterocyclic compounds3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
F03CPositive-displacement engines driven by liquids3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1986Patents assigned to MURORAN INST TECH (3)· patent assignee history
1983–1986Based in Noboribetsu, JP· patent location history
2014Patents assigned to HONG KEY-YONG (1)· patent assignee history
2014Patents assigned to KOREA OCEAN RES DEV INST (1)· patent assignee history
2014–2019Based in Hokkaido, JP· patent location history
2019Patents assigned to KOREA INST OCEAN SCI & TECH (1)· patent assignee history
2021Patents assigned to SHINETSU CHEMICAL CO (2)· patent assignee history
2021Based in Annaka, JP· patent location history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MURORAN INST TECH31983–1986
SHINETSU CHEMICAL CO22021
HONG KEY-YONG12014
KOREA INST OCEAN SCI & TECH12019
KOREA OCEAN RES DEV INST12014
Locations
LocationPatentsSpan
Annaka, JP32021
Noboribetsu, JP31983–1986
Hokkaido, JP22014–2019
Kanagawa, JP12021