Inventor

Yasuo Fukuyo

Inventor

Chiba, JP

Overview

1993–2019

Patent span

Chemistry

Primary field (CPC C)

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

C02Fprimary

C02FTreatment of water, waste water, sewage, or sludge33%

A01NPreservation of bodies of humans or animals or plants or parts thereof17%

B63JAuxiliaries on vessels17%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms17%

G01NInvestigating or analysing materials by determining their chemical or physical properties17%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1993–2012Patents assigned to KATAYAMA CHEMICAL WORKS CO (2)· patent assignee history

1993Based in Matsudo, JP· patent location history

2012Patents assigned to FUKUYO YASUO (1)· patent assignee history

2012Patents assigned to JAPAN ASS OF MARINE SAFETY (1)· patent assignee history

2012Patents assigned to KIKUCHI TAKEAKI (1)· patent assignee history

2012Patents assigned to LAB OF AQUATIC SCIENCE CONSULTANT CORP (1)· patent assignee history

2012Based in Tokyo, JP· patent location history

2019Based in Chiba, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KATAYAMA CHEMICAL WORKS CO	2	1993–2012
FUKUYO YASUOself	1	2012
JAPAN ASS OF MARINE SAFETY	1	2012
KIKUCHI TAKEAKI	1	2012
LAB OF AQUATIC SCIENCE CONSULTANT CORP	1	2012

Locations