Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6085764 | Cleaning apparatus and method | Kanji Kobayashi, Masao Yamaguchi, Shinya Yoshihara, Toshio Kubota | 2000-07-11 |
| 5965942 | Semiconductor memory device with amorphous diffusion barrier between capacitor and plug | Yasuyuki Itoh, Shigeo Onishi, Keizo Sakiyama | 1999-10-12 |
| 5858851 | Manufacturing method of electrode | Satoru Yamagata, Shigeo Onishi | 1999-01-12 |
| 5854104 | Process for fabricating nonvolatile semiconductor memory device having a ferroelectric capacitor | Shigeo Onishi, Takao Kinoshita | 1998-12-29 |
| 5776356 | Method for etching ferroelectric film | Seiichi Yokoyama, Yasuyuki Itoh, Shigeo Onishi, Keizo Sakiyama, Hitoshi Urashima | 1998-07-07 |
| 5714801 | Semiconductor package | Keiichi Yano, Koji Yamakawa, Kiyoshi Iyogi | 1998-02-03 |
| 5515984 | Method for etching PT film | Seiichi Yokoyama, Yasuyuki Ito, Shigeo Onishi, Keizo Sakiyama | 1996-05-14 |
| 5272671 | Semiconductor memory device with redundancy structure and process of repairing same | Tsutomu Ashida | 1993-12-21 |
| 5057898 | Double-gated semiconductor memory device | Alberto O. Adan, Koji Fujimoto | 1991-10-15 |
| 5016065 | Compound semiconductor substrate with InGaP layer | Akinori Seki, Fumihiro Knoushi, Masayoshi Koba | 1991-05-14 |
| 5011550 | Laminated structure of compound semiconductors | Fumihiro Konushi, Akinori Seki, Masayoshi Koba | 1991-04-30 |
| 4855014 | Method for manufacturing semiconductor devices | Seizo Kakimoto, Masayoshi Koba | 1989-08-08 |
| 4655850 | Method of forming monocrystalline thin films by parallel beam scanning of belt shaped refractory metal film on amorphous or polycrystalline layer | Seizo Kakimoto, Masayoshi Koba | 1987-04-07 |
| 4207617 | Memory erase and memory read-out in an EL display panel controlled by an electron beam | Shuhei Yasuda, Toshihiro Ohba, Chugi Suzuki, Masayoshi Koba | 1980-06-10 |