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Inventor

Sadao Hayashi

Inventor
Osaka, JP

Overview

4→
Patents
1987–1999
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.

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%
C07DHeterocyclic compounds22%
Y02PClimate change mitigation technologies in the production or processing of goods22%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing11%
B01DSeparation11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
PatentTitleYear
5,856,320'Cephem compounds, their preparation and their use as antimicrobial agents'19995,534,508'Cephem compounds and antimicrobial agents'19964,923,616'Method of separating chemical components in simulated moving bed'19904,690,399'Flexible dumbbell'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to ASAHI GOMU KAKO KABUSHIKI KAIS (1)· patent assignee history
1987Based in Nagoya, JP· patent location history
1990Patents assigned to MITSUBISHI PETROCHEMICAL CO (1)· patent assignee history
1990Based in Mie, JP· patent location history
1996–1999Patents assigned to KATAYAMA SEISAKUSHO (2)· patent assignee history
1996Patents assigned to AJINOMOTO KK (1)· patent assignee history
1996Based in Hirakata, JP· patent location history
1999Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KATAYAMA SEISAKUSHO21996–1999
AJINOMOTO KK11996
ASAHI GOMU KAKO KABUSHIKI KAIS11987
MITSUBISHI PETROCHEMICAL CO11990
Locations
LocationPatentsSpan
Osaka, JP11999
Hirakata, JP11996
Mie, JP11990
Nagoya, JP11987