Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12246735 | In-vehicle electronic control system | Tetsuya Yamada, Kentaro Yoshimura, Shouji Muramatsu, Toshiyuki Innami, Koichi Yokoura | 2025-03-11 |
| 12070844 | Hydraulic hammering device | Susumu Murakami, Isao Kobayashi, Atsushi Shioda, Shinsuke Nagano | 2024-08-27 |
| 11887479 | Parking management system, vehicle control device, and control center | Hirofumi IKOMA, Koichi Terui | 2024-01-30 |
| 11808630 | First optical system, monochromator, and optical apparatus | Manabu Kojima | 2023-11-07 |
| 11755019 | Vehicle control device and vehicle control system | Ryoh INABA, Naoyuki Tashiro, Katsuro Watanabe | 2023-09-12 |
| 11590642 | Hydraulic hammering device | Susumu Murakami, Isao Kobayashi, Atsushi Shioda, Shinsuke Nagano | 2023-02-28 |
| 11370442 | Vehicle control device and control method | Go SAKAYORI, Masato Imai, Naoyuki Tashiro | 2022-06-28 |
| 11034010 | Hydraulic hammering device | Masahiro Koizumi, Toshio Matsuda | 2021-06-15 |
| 10651548 | Substrate antenna | Takahisa Karakama | 2020-05-12 |
| 10150209 | Hydraulic hammering device | Toshio Matsuda | 2018-12-11 |
| 9863810 | Optical device for improved wavelength resolution and wavelength accuracy | Manabu Kojima | 2018-01-09 |
| 9798563 | Network management device, information processing system, and program | — | 2017-10-24 |
| 8125638 | Spectroscope | Toshikazu Yamamoto, Manabu Kojima | 2012-02-28 |
| 7705984 | Spectroscope having spectroscopic paths with individual collimators | Manabu Kojima, Toshikazu Yamamoto | 2010-04-27 |
| 7075644 | Depolarizer and spectroscope and polychromater | Toshikazu Yamamoto, Toru Mori | 2006-07-11 |
| 6879396 | Monochromator and optical spectrum analyzer using the same | Toshikazu Yamamoto, Tohru Mori | 2005-04-12 |
| 6752222 | Downhole percussion drills | Hirokazu Karasawa, Tetsuji Ohno, Akinori Ota, Naoto Yamada, Tetsuomi Miyamoto | 2004-06-22 |
| 6744506 | Depolarizing plate and an optical apparatus using the same | Toshikazu Yamamoto | 2004-06-01 |
| 6678044 | Monochromator and optical spectrum analyzer equipped with the same | — | 2004-01-13 |
| 6646739 | Four-stage type monochromator | — | 2003-11-11 |
| 6581630 | Pressure control valve | — | 2003-06-24 |
| D453023 | Crawler drill | Kazuya Goto, Takahiro Yamamoto, Yoichi Koroku | 2002-01-22 |
| 6318478 | Damper pressure control apparatus for hydraulic rock drill | — | 2001-11-20 |
| 6289927 | Pressure control valve | — | 2001-09-18 |
| 6166805 | Double pass monochromator | Tohru Mori, Manabu Kojima | 2000-12-26 |