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For the Inventor, By the Inventor

Tokyo, Japan

Hisayoshi Toratani

USPTO Granted Patents = 15

Average Co-Inventor Count = 2.3

ph-index = 9

Forward Citations = 286(Granted Patents)


Location History:

  • Hidaka, JP (1978)
  • Hidakamachi, JP (1980)
  • Fremont, CA (US) (1989)
  • Tokyo, JP (1985 - 2001)

Company Filing History:

goldMedal14 out of 2,528 
 
Hoya Corporation
 patents
silverMedal1 out of 1,259 
 
Raychem Limited
 patents
bronzeMedal1 out of 3 
 
Hoya Optics, Inc.
 patents
4. 1 out of 832,718 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-2001

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15 patents (USPTO):Explore Patents
1. 6313947 - Light polarizing glass containing copper particles and process for preparation thereof (2001-11-06),
2. 6214429 - Disc substrates for information recording discs and magnetic discs (2001-04-10),
3. 6187407 - Glass substrate for magnetic recording medium and method of manufacturing the same (2001-02-13),
4. 6066359 - Process for producing titanium oxide thin film, and photocatalyst (2000-05-23),
5. 6063470 - Substrate for information recording media and magnetic disc (2000-05-16),
6. 5981015 - Method for selecting a material suitable for a substrate for information (1999-11-09),
7. 5856882 - Optical fibers and optical fiber amplifiers (1999-01-05),
8. 5764661 - Laser glasses and laser glass fibers (1998-06-09),
9. 5246892 - Faraday rotation glass (1993-09-21),
10. 5053165 - Glass of improved thermal shock resistance for high average power solid (1991-10-01),
11. 4883523 - Avoidance of surface deterioration of glass during strengthening (1989-11-28),
12. 4693910 - Process for producing porous antireflective coatings (1987-09-15),
13. 4547402 - Method of increasing the thermal shock resistance of phosphate laser (1985-10-15),
14. 4217382 - Edge-cladding glass of disc laser glass (1980-08-12),
15. 4108673 - Optical phosphate glass in which the length of the light path is (1978-08-22),
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