Inventor
Hiroki Ohtake
Inventor
Tokyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Cprimary
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials25%
D21DTreatment of the materials before passing to the paper-making machine25%
D21HPulp compositions25%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management25%
PatentTitleYear
8,926,793'Processes for preparing pulp and paper'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015Patents assigned to AIKAWA TEKKO (1)· patent assignee history
2015Patents assigned to GOTO SHISEI (1)· patent assignee history
2015Patents assigned to HOSAKA TATSUMI (1)· patent assignee history
2015Patents assigned to JUJO PAPER CO LTD (1)· patent assignee history
2015Patents assigned to NODA TAKAHARU (1)· patent assignee history
2015Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AIKAWA TEKKO | 1 | 2015 |
| GOTO SHISEI | 1 | 2015 |
| HOSAKA TATSUMI | 1 | 2015 |
| JUJO PAPER CO LTD | 1 | 2015 |
| NODA TAKAHARU | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 2015 |