Inventor

Ryoichi Haga

Inventor
Hitachi, JP

Overview

14→
Patents
1980–2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 14 as inventor

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

C12Mprimary
C12MApparatus for enzymology or microbiology19%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
C12NMicroorganisms or enzymes12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
C02FTreatment of water, waste water, sewage, or sludge7%
B04BCentrifuges5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
Y10TTechnical subjects covered by former us classification5%
C07HSugars2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1985Patents assigned to AGENCY IND SCIENCE TECHN (6)· patent assignee history
1980–1995Based in Hitachi, JP· patent location history
1989–2018Patents assigned to HITACHI LTD (8)· patent assignee history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD81989–2018
AGENCY IND SCIENCE TECHN61980–1985
Locations
LocationPatentsSpan
Hitachi, JP131980–1995
Tokyo, JP12018