Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8133064 | Electrical power outlet | — | 2012-03-13 |
| 7976320 | Power plug | — | 2011-07-12 |
| 7976352 | Audio connector | — | 2011-07-12 |
| 7648391 | Shaft lock socket system | Frank Taehyun Yoo | 2010-01-19 |
| 6222609 | Reduction projection aligner free from reaction product tarnishing photo-mask and method for transferring pattern image through the photo-mask | — | 2001-04-24 |
| 4802405 | Automotive air-conditioner | Yutaka Ichitani, Masayoshi Imaeda, Yoshimasa Ikeda, Kiyokazu Seikou | 1989-02-07 |
| 4779672 | Air conditioner for vehicle having blower with auxiliary intake port | Kiyokazu Seikou | 1988-10-25 |