KM

Koichi Maruyama

PE Pentax: 68 patents #10 of 761Top 2%
PE Pentax: 34 patents #4 of 396Top 2%
HO Hoya: 18 patents #42 of 1,290Top 4%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Aisin Seiki Kabushiki Kaisha: 5 patents #693 of 3,782Top 20%
NK Nippon Hoso Kyokai: 1 patents #306 of 703Top 45%
Pioneer: 1 patents #1,107 of 1,730Top 65%
TC Ts Tech Co.: 1 patents #323 of 561Top 60%
AI Aisin: 1 patents #310 of 1,000Top 35%
UK Ulvac Kiko: 1 patents #8 of 22Top 40%
AK Asahi Kogyo Kabushiki Kaisha: 1 patents #1 of 10Top 10%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
KC Kumi Kasei Co.: 1 patents #3 of 17Top 20%
NS National Institutes Of Natural Sciences: 1 patents #4 of 27Top 15%
📍 Miyazaki, JP: #1 of 531 inventorsTop 1%
Overall (All Time): #8,176 of 4,157,543Top 1%
132
Patents All Time

Issued Patents All Time

Showing 1–25 of 132 patents

Patent #TitleCo-InventorsDate
11441690 Valve device and assembly method of valve device Masafumi Yoshida, Naoki Emori, Naoto Yumisashi 2022-09-13
10513968 Refrigerant control valve apparatus Naoto Yumisashi 2019-12-24
10514103 Refrigerant control valve apparatus Naoto Yumisashi, Yojiro Koga, Hideyuki Suzuki, Masanobu Matsusaka 2019-12-24
10513966 Refrigerant control valve device Hideyuki Suzuki, Masanobu Matsusaka, Yojiro Koga, Naoto Yumisashi 2019-12-24
10072556 Refrigerant control valve apparatus Naoto Yumisashi 2018-09-11
9550441 Clip for mounting component, and component-mounting structure Makoto Aoyama, Yasuo Horiuchi, Naoyasu Asano, Yoshihiko Takeda, Hiroshi Kawai 2017-01-24
9494156 Pump Junichi Aikawa, Naoto Yotsugi, Kotaro Iwagoshi 2016-11-15
8705331 Optical element and objective lens through which a plurality of light beams having different design wavelengths pass Yoshiyuki Tashiro, Daisuke Koreeda 2014-04-22
8627239 Mask fabrication supporting method, mask blank providing method, and mask blank dealing system Hiroyuki Ishida, Tamiya Aiyama 2014-01-07
8570668 Imaging optical system and imaging apparatus Yutaka Takakubo, Eijiroh Tada 2013-10-29
8196070 Mask fabrication supporting method, mask blank providing method, and mask blank dealing system Hiroyuki Ishida, Tamiya Aiyama 2012-06-05
8116187 Design method of optical element and optical element through which a plurality of light beams having different design wavelengths pass Yoshiyuki Tashiro 2012-02-14
8072694 Objective lens Daisuke Koreeda, Shuichi Takeuchi 2011-12-06
8036338 Method and device for simultaneous measurement of magnetostriction and magnetization Etsuo Arakawa, Noriyuki Aizawa 2011-10-11
8011352 Gas introducing structure of intake path Fumihiro Shinkai, Toshihiro Kawai, Kiyoshi Naiki, Takanori Kawazu, Takeshi Murakami +1 more 2011-09-06
7920444 Assembling method for optical system of optical pick-up Yoshiyuki Tashiro, Toshihiro Tanaka 2011-04-05
7872958 Optical information recording/reproducing device, optical element for the same, and design method of the same Yoshiyuki Tashiro, Daisuke Koreeda 2011-01-18
7839752 Optical disc drive and objective lens for the same Daisuke Koreeda, Shuichi Takeuchi, Yoshiyuki Tashiro 2010-11-23
7839751 Objective lens and optical system for optical pick-up Daisuke Koreeda, Shuichi Takeuchi 2010-11-23
7821906 Objective lens for optical pick-up Daisuke Koreeda 2010-10-26
7742370 Objective lens and optical information read/write device Daisuke Koreeda, Shuichi Takeuchi 2010-06-22
7738345 Optical disc drive and objective lens for the same Daisuke Koreeda, Shuichi Takeuchi, Yoshiyuki Tashiro 2010-06-15
7660456 Mask fabrication supporting method, mask blank providing method, and mask blank dealing system Hiroyuki Ishida, Tamiya Aiyama 2010-02-09
7468942 Optical pickup, optical element, and information reproducing apparatus configured for use with any of plural types of recording media Katsuhiro Koike, Shuichi Takeuchi 2008-12-23
7433291 Objective lens Daisuke Koreeda, Shuichi Takeuchi 2008-10-07