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Inventor

Yoshiaki Masuda

Inventor
Kumamoto, JP

Overview

4→
Patents
1996–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

C07Dprimary
C07DHeterocyclic compounds30%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
A61KPreparations for medical, dental or toiletry purposes10%
G02BOptical elements, systems or apparatus10%
H01LSemiconductor devices10%
H04NPictorial communication, e.g. television10%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation10%
PatentTitleYear
11,076,078Solid-state imaging device with uneven structures and method for manufacturing the same, and electronic apparatus20218,796,320'1,3,4-Oxadiazole-2-carboxamide compound'20146,376,535'Oxygen-containing heterocyclic compounds'20025,585,488'Process for producing indolocarbazole derivatives'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2002Patents assigned to KYOWA HAKKO KOGYO KK (2)· patent assignee history
1996Based in Sakai, JP· patent location history
2002Based in Shizuoka, JP· patent location history
2014Patents assigned to AKIYAMA YASUTO (1)· patent assignee history
2014Patents assigned to ASAI AKIRA (1)· patent assignee history
2014Patents assigned to ASHIZAWA TADASHI (1)· patent assignee history
2014Patents assigned to GEN INC ASS PHARMA VALLEY PROJECT SUPPORTING ORGANIZATION (1)· patent assignee history
2014Based in Chuo-ku, JP· patent location history
2021Based in Kumamoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYOWA HAKKO KOGYO KK21996–2002
AKIYAMA YASUTO12014
ASAI AKIRA12014
ASHIZAWA TADASHI12014
GEN INC ASS PHARMA VALLEY PROJECT SUPPORTING ORGANIZATION12014
Locations
LocationPatentsSpan
Kumamoto, JP12021
Chuo-ku, JP12014
Shizuoka, JP12002
Sakai, JP11996