Inventor

Kiyoshi Kanai

Inventor

Tokyo, JP

Overview

1982–2018

Patent span

Physics

Primary field (CPC G)

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

C01Fprimary

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals10%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%

D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials10%

D21HPulp compositions10%

Y02PClimate change mitigation technologies in the production or processing of goods10%

B23KSoldering or unsoldering7%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%

G03GElectrography7%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1982–2018Based in Tokyo, JP· patent location history

1984–2002Patents assigned to KONISHIROKU PHOTO IND (3)· patent assignee history

1994–2004Patents assigned to HITACHI LTD (3)· patent assignee history

2001–2007Patents assigned to JUJO PAPER CO LTD (3)· patent assignee history

2001–2007Based in Yamaguchi, JP· patent location history

2002–2004Patents assigned to HITACHI CAR ENG CO LTD (2)· patent assignee history

2002–2004Patents assigned to TAMURA FA SYSTEM CO LTD (2)· patent assignee history

2002–2004Based in Hitachinaka, JP· patent location history

2003Based in Toride, JP· patent location history

2011Based in Kodaira, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations