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Shizuoka, Japan

Hiroyuki Umemura

USPTO Granted Patents = 14

Average Co-Inventor Count = 6.4

ph-index = 5

Forward Citations = 66(Granted Patents)

Company Filing History:

14 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

Years Active: 1987-1991

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5072878 - Air conditioning apparatus (1991-12-17),

2. 4914925 - Control device for an air conditioner (1990-04-10),

3. 4909310 - Air flow control device for an air conditioner (1990-03-20),

4. 4895002 - Air conditioning device (1990-01-23),

5. 4890545 - Air conditioner (1990-01-02),

6. 4877183 - Air flow control device for an air conditioner (1989-10-31),

7. 4858824 - Air conditioner (1989-08-22),

8. 4850203 - Air conditioner control apparatus (1989-07-25),

9. D300240 - Heat radiation plate (1989-03-14),

10. 4807444 - Air flow control device (1989-02-28),

11. 4775007 - Heat exchanger for an air-conditioning apparatus (1988-10-04),

12. 4768583 - Heat exchanger with corrugated heat transfer plates (1988-09-06),

13. 4715191 - Air conditioning method (1987-12-29),

14. 4709554 - Air conditioning apparatus (1987-12-01),

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