Inventor
Osamu Kitao
Inventor
Yokohama, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions22%
C01BNon-metallic elements17%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds17%
Y10TTechnical subjects covered by former us classification11%
B41MPrinting, duplicating, marking, or copying processes6%
D21BFibrous raw materials or their mechanical treatment6%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials6%
D21DTreatment of the materials before passing to the paper-making machine6%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
7,255,918'Coated paper sheet'20076,685,907'Process for producing silica particles suitable for use as filler for paper'20046,413,373'Process for producing silica particles suitable for use as filler for paper'20026,264,907'Process for producing silica particles suitable for use as filler for paper'20015,418,057'Thermal transfer receiving paper'19955,316,621'Method of pulping waste pressure-sensitive adhesive paper'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to KANZAKI PAPER MFG CO LTD (1)· patent assignee history
1994Based in Amagasaki, JP· patent location history
1995Patents assigned to NEW OJI PAPER CO LTD (1)· patent assignee history
1995Based in Urawa, JP· patent location history
2001–2007Patents assigned to OJI PAPER CO (4)· patent assignee history
2001–2007Based in Yokohama, JP· patent location history
2004Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OJI PAPER CO | 4 | 2001–2007 |
| KANZAKI PAPER MFG CO LTD | 1 | 1994 |
| NEW OJI PAPER CO LTD | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 2001–2007 |
| Kanagawa, JP | 1 | 2004 |
| Urawa, JP | 1 | 1995 |
| Amagasaki, JP | 1 | 1994 |