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Hyogo-ken, Japan

Takao Yamamoto

USPTO Granted Patents = 14

Average Co-Inventor Count = 2.0

ph-index = 5

Forward Citations = 60(Granted Patents)

Location History:

Hyogo, JP (1994 - 1995)
Kobe, JP (1997 - 2000)
Hyogo-ken, JP (1997 - 2001)

Company Filing History:

Teisan Kabushiki Kaisha

L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des

L'air Liquide, Société Anonyme Pour L'etude Et L'exploitation Des Procédés Georges Claude

Air Liquide Japan, Ltd.

5. 1 out of 336

American Air Liquide, Inc.

Years Active: 1994-2001

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6197090 - Method and apparatus for recovering a gas from a gas mixture (2001-03-06),

2. 6123909 - Method and apparatus for purification of argon (2000-09-26),

3. 5921107 - Oxygen production method related to a nitrogen generator unit (1999-07-13),

4. 5783162 - Argon purification process (1998-07-21),

5. 5778698 - Ultra high purity nitrogen and oxygen generator unit (1998-07-14),

6. 5743112 - Ultra high purity nitrogen and oxygen generator unit (1998-04-28),

7. 5682761 - Ultra-high purity nitrogen generating method and unit (1997-11-04),

8. 5638699 - High purity nitrogen gas generator (1997-06-17),

9. 5478547 - Ultra-high purity nitrogen generating method (1995-12-26),

10. 5470543 - Ultra-high purity nitrogen generator (1995-11-28),

11. 5441719 - Ultra-high purity nitrogen generating method (1995-08-15),

12. 5363656 - Ultra-high purity nitrogen and oxygen generator (1994-11-15),

13. 5349822 - Method and apparatus for the production of ultra-high purity nitrogen (1994-09-27),

14. 5345773 - Method and apparatus for the production of ultra-high purity nitrogen (1994-09-13),

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