Inventor
Hiroki Karakane
Inventor
Himeji, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation40%
A24DCigars20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
C08JWorking-up10%
C08LCompositions of macromolecular compounds10%
PatentTitleYear
10,470,490Cigarette filter tow band20199,289,013'Cigarette filter'20165,087,367'Hydrolyzed membrane and process for the preparation of the same'19924,895,685'Crosslinked composite membrane and process for producing the same'19904,871,461'Polymer composite membrane'19894,824,573'Crosslinked composite membrane and process for producing the same'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1990Patents assigned to GEN DIRECTOR OF THE AGENCY OF (3)· patent assignee history
1989–2019Based in Himeji, JP· patent location history
1992Patents assigned to JAPAN REPRESENTED BY MINISTRY (1)· patent assignee history
1992Based in Hyogo, JP· patent location history
2016–2019Patents assigned to DAICEL CORP (2)· patent assignee history
2016Patents assigned to KARAKANE HIROKI (1)· patent assignee history
2016Patents assigned to TANIGUCHI HIROKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN DIRECTOR OF THE AGENCY OF | 3 | 1989–1990 |
| DAICEL CORP | 2 | 2016–2019 |
| JAPAN REPRESENTED BY MINISTRY | 1 | 1992 |
| KARAKANE HIROKIself | 1 | 2016 |
| TANIGUCHI HIROKI | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Himeji, JP | 5 | 1989–2019 |
| Hyogo, JP | 1 | 1992 |