Issued Patents All Time
Showing 101–109 of 109 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285566 | RCC power supply with remote disabling of oscillation frequency control | Koji Nakahira, Ryuji Okamura, Ryota Tani | 2001-09-04 |
| 6204184 | Method of manufacturing semiconductor devices | Kikuo Kusukawa, Toshiaki Yamanaka, Natsuki Yokoyama, Shinichiro Kimura, Norio Suzuki +2 more | 2001-03-20 |
| 6185112 | Switching power supply having a frequency limiting circuit | Koji Nakahira, Ryota Tani | 2001-02-06 |
| 6160720 | Switching power supply unit utilizing a voltage dropping circuit | Koji Nakahira | 2000-12-12 |
| 6081433 | Switching power supply apparatus | Koji Nakahira, Ryota Tani | 2000-06-27 |
| 5523592 | Semiconductor optical device, manufacturing method for the same, and opto-electronic integrated circuit using the same | Kiyokazu Nakagawa, Toshikazu Shimada | 1996-06-04 |
| 5338942 | Semiconductor projections having layers with different lattice constants | Eiichi Murakami, Kiyokazu Nakagawa | 1994-08-16 |
| 4786490 | Process and apparatus for producing high purity magnesium oxide fine particles | Kozaburo Yoshida, Toru Adachi | 1988-11-22 |
| 4721610 | Process for producing metal oxide particles having a very small and uniform size | Kozaburo Yoshida, Akira Ueki | 1988-01-26 |