Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381397 | Power conversion system and control device for same | Takeshi Kikuchi, Ryosuke Uda | 2025-08-05 |
| 11936306 | Power conversion device | Takeshi Kikuchi, Daisuke YAMANAKA, Takuya Kajiyama, Toshiyuki Fujii | 2024-03-19 |
| 11722069 | Power conversion system | Kazuyori TAHATA, Shigeo Hayashi | 2023-08-08 |
| 7095366 | High-frequency oscillation apparatus, radio apparatus, and radar | Takatoshi Kato, Toru Ishii | 2006-08-22 |
| 6882300 | Guide marker and visual guide marker device | Toru Tanizaki, Yohei Ishikawa, Taiyo Nishiyama | 2005-04-19 |
| 6822612 | Antenna device, communication apparatus and radar module | Yukio Takimoto, Toru Tanizaki, Ikuo Takakuwa, Nobumasa Kitamori | 2004-11-23 |
| 6563477 | Antenna apparatus and transmission and receiving apparatus using same | Yohei Ishikawa, Toru Tanizaki, Ikuo Takakuwa | 2003-05-13 |
| 6465912 | Power transfer device | Shinzo Tamai, Isao Kamiyama, Masatoshi Takeda, Hiroshi Yamamoto, Yuji Kuroda | 2002-10-15 |
| 6362795 | Antenna apparatus and transmission and receiving apparatus using the same | Yohei Ishikawa, Toru Tanizaki, Ikuo Takakuwa | 2002-03-26 |
| 6356246 | Dielectric lens antenna and radio device including the same | Hideaki Yamada | 2002-03-12 |
| 6246375 | Antenna device and transmit-receive unit using the same | Hideaki Yamada, Toru Tanizaki, Taiyo Nishiyama | 2001-06-12 |
| 6195058 | Dielectric lens, dielectric lens antenna including the same, and wireless device using the same | Hideaki Yamada, Hiroaki Tanaka | 2001-02-27 |
| 6175335 | Dielectric lens antenna having heating body and radio equipment including the same | Yohei Ishikawa, Koichi Sakamoto, Hideaki Yamada | 2001-01-16 |
| 5886888 | Voltage source type power converting apparatus | Masahiko Akamatsu, Shinzo Tamai, Shotaro Murakami, Tomohiko Aritsuka, Takeaki Asaeda | 1999-03-23 |
| 5867376 | DC magnetization suppression in power converter transformers | Shinzo Tamai, Sadao Funahashi | 1999-02-02 |