Kazuaki Tsuji

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Composite seal
- Patent number D1031951
- Issue date Jun 18, 2024
- VALQUA, LTD.
- Kazuaki Tsuji
- D23 - Environmental heating and cooling
Information Patent Grant
Seal member for semiconductor production apparatus
- Patent number D919669
- Issue date May 18, 2021
- VALQUA, LTD.
- Kazuaki Tsuji
- D15 - Machines not elsewhere specified
Information Patent Grant
Seal member for semiconductor production apparatus
- Patent number D919670
- Issue date May 18, 2021
- VALQUA, LTD.
- Kazuaki Tsuji
- D15 - Machines not elsewhere specified
Information Patent Grant
Seal member for semiconductor production apparatus
- Patent number D905761
- Issue date Dec 22, 2020
- VALQUA, LTD.
- Kazuaki Tsuji
- D15 - Machines not elsewhere specified
Information Patent Grant
Seal member for use in semiconductor production apparatus
- Patent number D885444
- Issue date May 26, 2020
- VALQUA, LTD.
- Kazuaki Tsuji
- D15 - Machines not elsewhere specified
Information Patent Grant
Seal member for use in semiconductor production apparatus
- Patent number D885443
- Issue date May 26, 2020
- VALQUA, LTD.
- Kazuaki Tsuji
- D15 - Machines not elsewhere specified
Information Patent Grant
Seal
- Patent number D884746
- Issue date May 19, 2020
- Valqua, Ltd.
- Kazuaki Tsuji
- D15 - Machines not elsewhere specified
Information Patent Grant
Seal
- Patent number D864361
- Issue date Oct 22, 2019
- VALQUA, LTD.
- Sang Ho Kim
- D23 - Environmental heating and cooling
Information Patent Grant
Seal material
- Patent number 9,447,881
- Issue date Sep 20, 2016
- Nippon Valqua Industries, Ltd.
- Kazuaki Tsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Seal plate, seal member that is used in seal plate, and method for...
- Patent number 8,888,106
- Issue date Nov 18, 2014
- Nippon Valqua Industries, Ltd.
- Masato Hamade
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing material for dovetail groove and vacuum gate valve provided...
- Patent number 8,181,972
- Issue date May 22, 2012
- Nippon Valqua Industries, Ltd.
- Kazuaki Tsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gate valve for vacuum and seal member used therefor
- Patent number 8,074,967
- Issue date Dec 13, 2011
- Nippon Valqua Industries, Ltd.
- Kazuaki Tsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing material for ant groove
- Patent number 7,306,237
- Issue date Dec 11, 2007
- Nippon Valqua Industries, Ltd.
- Kazuaki Tsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
SEAL RING
- Publication number 20250116334
- Publication date Apr 10, 2025
- VALQUA, LTD.
- Kazuaki TSUJI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SEALING STRUCTURE AND SEALING MATERIAL
- Publication number 20240151308
- Publication date May 9, 2024
- VALQUA, LTD.
- Kazuaki TSUJI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SUPPORT MEMBER
- Publication number 20210025497
- Publication date Jan 28, 2021
- VALQUA, LTD.
- Kazuaki TSUJI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Seal Plate, Seal Member that is Used in Seal Plate, and Method for...
- Publication number 20110169229
- Publication date Jul 14, 2011
- NIPPON VALQUA INDUSTRIES, LTD.
- Masato Hamade
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Seal Material
- Publication number 20110018211
- Publication date Jan 27, 2011
- NIPPON VALQUA INDUSTRIES, LTD.
- Kazuaki Tsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Gate Valve for Vacuum and Seal Member Used Therefor
- Publication number 20090250649
- Publication date Oct 8, 2009
- NIPPON VALQUA INDUSTRIES, LTD.
- Kazuaki Tsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Sealing Material for Dovetail Groove and Vacuum Gate Valve Provided...
- Publication number 20090026717
- Publication date Jan 29, 2009
- NIPPON VALQUA INDUSTRIES, LTD.
- Kazuaki Tsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Sealing material for ant groove
- Publication number 20060097461
- Publication date May 11, 2006
- NIPPOn VALQUA INDUSTRIES, LTD.
- Kazuaki Tsuji
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Kazuaki Tsuji

Person

Patents Grantslast 30 patents

Composite seal

Seal member for semiconductor production apparatus

Seal member for semiconductor production apparatus

Seal member for semiconductor production apparatus

Seal member for use in semiconductor production apparatus

Seal member for use in semiconductor production apparatus

Seal

Seal

Seal material

Seal plate, seal member that is used in seal plate, and method for...

Sealing material for dovetail groove and vacuum gate valve provided...

Gate valve for vacuum and seal member used therefor

Sealing material for ant groove

Patents Applicationslast 30 patents

SEAL RING

SEALING STRUCTURE AND SEALING MATERIAL

SUPPORT MEMBER

Seal Plate, Seal Member that is Used in Seal Plate, and Method for...

Seal Material

Gate Valve for Vacuum and Seal Member Used Therefor

Sealing Material for Dovetail Groove and Vacuum Gate Valve Provided...

Sealing material for ant groove