Inventor

Koji Iwata

Inventor
Tokyo, JP

Overview

13→
Patents
1976–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 13 as inventor

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

B22Dprimary
B22DCasting of metals7%
C03CChemical composition of glasses, glazes or vitreous enamels7%
C04BLime, magnesia7%
C22CAlloys5%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons5%
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%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
Y10TTechnical subjects covered by former us classification5%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to HITACHI LTD (2)· patent assignee history
1976Based in Hitachi, JP· patent location history
1990Patents assigned to CANON KK (1)· patent assignee history
2002–2018Patents assigned to NICHIAS CORP (5)· patent assignee history
2012–2015Patents assigned to IWATA KOJI (3)· patent assignee history
2012Based in Osaka, JP· patent location history
2015Patents assigned to YONAIYAMA KEN (2)· patent assignee history
2015–2018Based in Tokyo, JP· patent location history
2019Based in Aichi, JP· patent location history
2020Based in Yamatokooriyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NICHIAS CORP52002–2018
IWATA KOJIself32012–2015
HITACHI LTD21976
YONAIYAMA KEN22015
CANON KK11990
Locations
LocationPatentsSpan
Tokyo, JP52015–2018
Hitachi, JP21976
Yamatokooriyama, JP12020
Aichi, JP12019
Osaka, JP12012