Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12349854 | Work machine | — | 2025-07-08 |
| 12310546 | Work machine | — | 2025-05-27 |
| 11841033 | Electric powered work machine and method of controlling noise generated by electric powered work machine | — | 2023-12-12 |
| 11672396 | Dust extractor | — | 2023-06-13 |
| 11491433 | Backpack dust collector | Makoto Hotta, Takayuki Tahara | 2022-11-08 |
| 9850915 | Power tool | — | 2017-12-26 |
| 9590451 | Autonomous power supply system | Tsukasa Fujimori, Yasushi Goto, Hideaki Kurata | 2017-03-07 |
| 9101094 | Electrically powered garden tool | Kazuya Kato, Yuki Koide | 2015-08-11 |
| 8770240 | Tire with tread having circumferential grooves, resonators and incisions | Patrick Bervas, Jean-Claude Faure, Ludovic Greverie | 2014-07-08 |
| 8250920 | Inertial sensor | Kiyoko Yamanaka | 2012-08-28 |
| 7679730 | Surface inspection apparatus and surface inspection method for strained silicon wafer | Miyuki Shimizu, Takeshi Senda, Koji Izunome, Yoshinori Hayashi, Kazuhiko Hamatani | 2010-03-16 |
| 6775439 | Optical circuit device and optical transceiver | Masahiko Kobayashi | 2004-08-10 |
| 6229949 | Polymer optical waveguide, optical integrated circuit, optical module and optical communication apparatus | Tatemi Ido, Mari Koizumi | 2001-05-08 |
| 5761352 | Optical switch having a two-level crossing between input/output optical waveguides | Shigeki Kitajima, Toshihisa Tsukada, Hiroaki Inoue | 1998-06-02 |
| 5710847 | Semiconductor optical functional device | Hirohisa Sano, Tatsuo Kanetake, Masaki Ohira, Makoto Suzuki, Hiroaki Inoue | 1998-01-20 |
| 5552073 | Ferromagnetic fine particles of .epsilon. iron carbide and method for producing the same | Yasushi Tomiku, Yoshichika Bando | 1996-09-03 |
| 5256856 | Welding method for aluminum alloys | Jitsuo Nakata, Yuji Nakahara, Keizoh Nanba, Yoshihiko Sugiyama | 1993-10-26 |
| 5186007 | Controlled process for xenon concentration | Jitsuo Nakata, Toshiaki Oonishi | 1993-02-16 |
| 5124527 | Arc welding method and apparatus | Jitsuo Nakata | 1992-06-23 |
| 5039500 | Process for producing xenon | Masami Shino, Jitsuo Nakata | 1991-08-13 |
| 4874592 | Production process of xenon | Masami Shino, Jitsuo Nakata, Katsuhiko Noro | 1989-10-17 |