Inventor

Ryuichi Hoshino

Inventor

Yokohama, JP

Overview

1990–2010

Patent span

Human necessities

Primary field (CPC A)

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

A61Bprimary

A61BDiagnosis18%

G06FElectric digital data processing18%

A45CPurses9%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%

C07DHeterocyclic compounds9%

G02BOptical elements, systems or apparatus9%

G02CSpectacles9%

H04NPictorial communication, e.g. television9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to NIKKEN CHEMICALS CO LTD (1)· patent assignee history

1990–2000Based in Saitama, JP· patent location history

1999Patents assigned to SEIKA TRADING CO LTD (1)· patent assignee history

1999Based in Osaka, JP· patent location history

2000Patents assigned to ASAHI OPTICAL CO LTD (1)· patent assignee history

2004Patents assigned to HOSHINO RYUICHI (1)· patent assignee history

2004Based in Ikuno-ku, Osaka, JP· patent location history

2009–2010Patents assigned to HITACHI LTD (2)· patent assignee history

2009–2010Based in Yokohama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations