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Kiyoshi Urayama

USPTO Granted Patents = 13

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 76(Granted Patents)

Location History:

Sendai, JA (1976)
Tokyo, JP (1993)
Miyagi, JP (1987 - 1999)

Company Filing History:

13 out of 58,132

Sony Corporation

Years Active: 1976-1999

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5860523 - Tape cassette receiving housing (1999-01-19),

2. 5314558 - Method of applying a decorative foil to a tape cassette reel (1994-05-24),

3. 5255144 - Brake device for tape reel in magnetic tape cassette (1993-10-19),

4. 5180116 - Tape cassette reel having a wing-type upper flange (1993-01-19),

5. 5160752 - Mold for forming a tape cassette reel (1992-11-03),

6. 5101308 - Tape reel for magnetic tape cassette (1992-03-31),

7. 4995565 - Cassette reel (1991-02-26),

8. 4945440 - Tape cassette with transparent reel viewing windows and laminated (1990-07-31),

9. 4916566 - Magnetic tape cassette which avoids flange/housing contact (1990-04-10),

10. 4901171 - Optical tape end sensing arrangement for magnetic tape cassette (1990-02-13),

11. 4802044 - Mounting arrangements for levy springs acting against tape reels in a (1989-01-31),

12. 4697702 - Magnetic tape cassette with tape protective sliding closure and lock (1987-10-06),

13. 3971071 - Tape cassette with guide means for unidirectional insertion and holder (1976-07-20),

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