Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697552 | Faucet valve | Saori Ukigai, Atsushi Teramoto | 2020-06-30 |
| 7664536 | Character communication device | Kei Nakajima, Takao Miyoshi, Shiro Maekawa, Katsumi Yabuno | 2010-02-16 |
| 7203908 | Character communication device | Kei Nakajima, Takao Miyoshi, Shiro Maekawa, Katsumi Yabuno | 2007-04-10 |
| 6697068 | Game screen display control method and character movement control method | Takashi Iizuka, Tetsu Katano, Takuya Matsumoto, Yojiro Ogawa | 2004-02-24 |
| 6377264 | Game screen display control method and character movement control method | Takashi Iizuka, Tetsu Katano, Takuya Matsumoto, Yojiro Ogawa | 2002-04-23 |
| 5963218 | Video game with switchable collision graphics | Masanobu Yamamoto | 1999-10-05 |
| 5941775 | Data processing system, method thereof and memory cassette | Susumu Nishikita | 1999-08-24 |
| 5513307 | Video game with switchable collision graphics | Masanobu Yamamoto | 1996-04-30 |
| 5470080 | Multi-player video game apparatus with single screen mode and split screen mode | Masanobu Yamamoto | 1995-11-28 |
| 5411270 | Split-screen video game with character playfield position exchange | Masanobu Yamamoto | 1995-05-02 |
| 5411272 | Video game with spiral loop graphics | Masanobu Yamamoto | 1995-05-02 |
| 5405151 | Multi-player video game with cooperative mode and competition mode | Masanobu Yamamoto | 1995-04-11 |
| 5241296 | Plant activation tracking and display apparatus | Hiroshi Takiyama | 1993-08-31 |
| 5200040 | Method for rectification and apparatus therefor | Tatsuo Sato, Akihiro Kawashima | 1993-04-06 |