Granted Patent
Utility
US 6,554,916
· Confirmation No. 6789
TREATMENT METHOD FOR MAKING HEAT EXCHANGER HYDROPHILIC AND HEAT EXCHANGER TREATED TO BE HYDROPHILIC
Inventors
Masahiro Kojima
Tochigi, JAPAN
Takashi Sudo
Tochigi, JAPAN
Shintaro Nakagawa
Tochigi, JAPAN
Masahiko Matsukawa
Tokyo, JAPAN
Toshio Inbe
Kanagawa, JAPAN
Tatsuo Yoshida
Tokyo, JAPAN
Attorneys & Agents of Record
Classification
USPC
148/275
Prosecution
- Examiner
- OLTMANS, ANDREW L
- Art Unit
- 1742
- Customer No.
- 28327
- Docket No.
- NPF1001-01US
- Confirmation No.
- 6789
Foreign Priority
2000-140957
·
2000-05-12
·
JAPAN
2001-131365
·
2001-04-27
·
JAPAN
Publication
- Pub. No.
- US20020040742A1
- Pub. Date
- 2002-04-11
Patent Term Adjustment
-47days
No related applications found.
from
SHOWA DENKO K.K.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2017-07-05
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2016-12-27
CORRECTIVE ASSIGNMENT TO CORRECT THE SECOND ASSIGNOR'S NAME PREVIOUSLY RECORDED ON REEL 012266, FRAME 0785. ASSIGNOR HEREBY CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
Recorded 2002-05-13
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-16
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-10-16
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Quick Facts
- Patent No.
- US 6,554,916
- App. No.
- 09/854,147
- Filed
- 2001-05-12
- Granted
- 2003-04-29
- Pub. No.
- US20020040742A1
- Examiner
- OLTMANS, ANDREW L
- Art Unit
- 1742
- PTA
- -47 days
External Links