IDiyas

For the Inventor, By the Inventor

Chiba, Japan

Kyoko Hamahara

USPTO Granted Patents = 12

Average Co-Inventor Count = 4.5

ph-index = 4

Forward Citations = 68(Granted Patents)


Location History:

  • Chiba-shi, Chiba, JP (1989)
  • Chiba, JP (1994 - 2003)
  • Tokyo, JP (2006)

Company Filing History:

goldMedal10 out of 1,256 
 
Kawasaki Steel Corporation
 patents
silverMedal1 out of 2 
 
Kawasaki Steel Metal Products & Engineering Inc.
 patents
bronzeMedal1 out of 116 
 
Dai Nippon Toryo Co., Ltd.
 patents
4. 1 out of 1,792 
 
Jfe Steel Corporation
 patents
5. 1 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2006

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12 patents (USPTO):Explore Patents
1. 7041382 - Coated steel sheet provided with electrodeposition painting having superior appearance (2006-05-09),
2. 6555249 - Surface treated steel sheet and method for production thereof (2003-04-29),
3. 6537674 - Surface treated steel sheet (2003-03-25),
4. 6322906 - Perforative corrosion resistant galvanized steel sheet (2001-11-27),
5. 5997714 - Organic coated material having an electrolytically polymerized coating (1999-12-07),
6. 5993974 - Porcelain-enameled steel sheets and frits for enameling (1999-11-30),
7. 5834128 - Organic film-coated zinc plated steel sheet (1998-11-10),
8. 5723210 - Organic composite coated steel sheet (1998-03-03),
9. 5514483 - Organic composite coated steel plates having improved corrosion (1996-05-07),
10. 5496420 - Can-making steel sheet (1996-03-05),
11. 5360676 - Tin mill black plate for canmaking, and method of manufacturing (1994-11-01),
12. 4832800 - Process for preparing surface-treated steel strips adapted for electric (1989-05-23),
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