Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6707643 | Perpendicular magnetic recording head having narrow recording gap and perpendicular magnetic recording apparatus using the same | Akihiko Takeo, Tetsuya Roppongi, Haruyuki Morita, Mikio Matsuzaki | 2004-03-16 |
| 6639754 | Perpendicular magnetic recording head and perpendicular magnetic recording apparatus | Tomoko Taguchi, Tetsuya Roppongi, Haruyuki Morita, Mikio Matsuzaki | 2003-10-28 |
| 5128972 | Memory package system | Kunihiko Takeuchi, Masao Oba | 1992-07-07 |
| 5070500 | Memory package system utilizing inductive coupling between memory module and read/write unit | Kunihiko Takeuchi | 1991-12-03 |
| 5023887 | Data transmission system using spread spectrum communication | Kunihiko Takeuchi, Masao Oba | 1991-06-11 |
| 4953123 | Memory system to perform data transfer by a contactless electromagnetic induction coupling system using induction coils | Kunihiko Takeuchi, Masao Oba | 1990-08-28 |
| 4924171 | System for supplying power source by electromagnetic induction coupling | Fujio Baba, Kunihiko Takeuchi | 1990-05-08 |
| 4866616 | Information recording apparatus for vehicles | Kunihiko Takeuchi, Hajime Ikeda | 1989-09-12 |
| 4856177 | Automatic tool changer with electromagnetically readable tool holder having an electromagnetically coupling stopper for numerical control | Kunihiko Takeuchi, Masao Oba | 1989-08-15 |
| 4858133 | Drive management system | Kunihiko Takeuchi, Hajime Ikeda | 1989-08-15 |
| 4855994 | Memory package system for performing data transmission between memory module and write/read unit by electromagnetic induction coupling | Kunihiko Takeuchi, Masao Oba | 1989-08-08 |