IDiyas

For the Inventor, By the Inventor

Hitachi, Japan

Osamu Asai

USPTO Granted Patents = 11

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 139(Granted Patents)


Location History:

  • Hitachi, JA (1976 - 1977)
  • Hitachi, JP (1979 - 1990)

Company Filing History:

goldMedal11 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
bronzeMedal1 out of 222 
 
Babcock-hitachi Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1976-1990

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11 patents (USPTO):Explore Patents
1. 4912544 - Corrosion-resistant aluminum electronic material (1990-03-27),
2. 4663649 - SiC sintered body having metallized layer and production method thereof (1987-05-05),
3. 4561891 - Powdery silicon carbide composition for sintering (1985-12-31),
4. 4259415 - Primary battery (1981-03-31),
5. 4153519 - Silver-electroplating method using thiocyanic solution (1979-05-08),
6. 4044394 - Thin film magnetic head with a center tap (1977-08-23),
7. 4043647 - Method of forming alignment film for liquid crystal display cell (1977-08-23),
8. 4024041 - Method of forming deposition films for use in multi-layer metallization (1977-05-17),
9. 4003772 - Method for preparing thin film integrated circuit (1977-01-18),
10. 3969153 - Method of manufacturing a stainless steel boiler tube with anticorrosive (1976-07-13),
11. 3968019 - Method of manufacturing low power loss semiconductor device (1976-07-06),
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