Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168761 | Worm wheel, worm reduction gear, and method for producing worm wheel | Haruhiko Kiyota, Takeshi Yamamoto, Kaname Yasuda, Tomohiro Arai, Kazuki Hotta | 2021-11-09 |
| 11047466 | Worm wheel, worm decelerator, and method for producing worm wheel | Haruhiko Kiyota, Takeshi Yamamoto, Kaname Yasuda, Tomohiro Arai, Kazuki Hotta | 2021-06-29 |
| 11041544 | Worm wheel and worm speed reducer | Haruhiko Kiyota, Takeshi Yamamoto, Kaname Yasuda, Tomohiro Arai, Kazuki Hotta | 2021-06-22 |
| 10027163 | Power storage device and power storage system | — | 2018-07-17 |
| 9535354 | Conductive roller and manufacturing method thereof | Hirotaka Tagawa, Izumi Yoshimura, Daijirou Sirakura | 2017-01-03 |
| 9376539 | Urethane resin composition and a conductive roller using same | Mitsuaki Adachi, Youichi Kotanaka, Daijirou Sirakura | 2016-06-28 |
| 9214657 | Power storage device and power storage system | — | 2015-12-15 |
| 8943692 | Conductive roller and manufacturing method therefor | Izumi Yoshimura | 2015-02-03 |
| 8711543 | Electrifying roller | Hirotaka Tagawa, Izumi Egashira, Daijirou Sirakura | 2014-04-29 |
| 8642148 | Electrifying roller | Izumi Egashira, Hirotaka Tagawa, Daijirou Sirakura | 2014-02-04 |
| 8281504 | Inner sole for a footwear | Nobuyoshi Morita | 2012-10-09 |
| 7998793 | Light illumination during wafer dicing to prevent aluminum corrosion | Takashi Sato, Tokuo Naitou | 2011-08-16 |
| 7982922 | Image processing apparatus and image processing method for confirming electronic data character quality, and computer program therefor | — | 2011-07-19 |
| 7900261 | File access authorization management apparatus and method | Yoichi Takaragi, Tsutomu Murayama, Shinichi Fukada, Kunio Yoshihara | 2011-03-01 |
| 7769818 | Electronic data management system, electronic data management apparatus, and electronic data management method | Kunio Yoshihara, Yoichi Takaragi, Tsutomu Murayama, Shinichi Fukada | 2010-08-03 |
| 7112311 | Cooling method of hydrotreating plant and cooling unit therefor | Yuji Yoshizumi, Hidekatsu Honda, Masayuki Shoji, Toshihiko Nasu, Katsuhiko Kawakami | 2006-09-26 |
| 6798402 | Received-light pattern detection apparatus | Isamu Kubota | 2004-09-28 |
| 6273102 | Method of cleaning and maintaining petroleum refining plants | Katsuhiko Kawakami, Guiqing Xu | 2001-08-14 |
| 5916782 | Process for producing aspartase and process for producing L-aspartic acid | Kuniki Kino | 1999-06-29 |
| 5880497 | Semiconductor integrated circuit device having capacitance element and process of manufacturing the same | Shuji Ikeda, Koichi Imato, Kazuo Yoshizaki, Kohji Yamasaki, Soichiro Hashiba +12 more | 1999-03-09 |
| 5852252 | Chord progression input/modification device | — | 1998-12-22 |
| 5736108 | Refrigerant unit in hydrogen treating plant | Katsuhiko Kawakami, Nobuyoshi Sawamura | 1998-04-07 |
| 5508540 | Semiconductor integrated circuit device and process of manufacturing the same | Shuji Ikeda, Koichi Imato, Kazuo Yoshizaki, Kohji Yamasaki, Soichiro Hashiba +12 more | 1996-04-16 |
| 5403967 | Electronic musical instrument having melody correction capabilities | — | 1995-04-04 |
| 5376538 | Process for producing L-threonine with strains of E coli resistant to phenylalanine and leucine | Kuniki Kino, Kazuyuki Okamoto, Yoshiyuki Kuratsu | 1994-12-27 |