YI

Yoichi Ishikawa

AB Able: 6 patents #1 of 27Top 4%
MM Mitsubishi Materials: 3 patents #352 of 1,543Top 25%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
MC Maruyama Mfg. Co.: 3 patents #8 of 40Top 20%
NC Nidec Copal: 2 patents #55 of 172Top 35%
OC Oriental Yeast Co.: 2 patents #22 of 160Top 15%
NU National University Corporation Nagoya University: 1 patents #247 of 782Top 35%
KC Kyosan Electric Mfg. Co.: 1 patents #28 of 57Top 50%
OS Oriental Sangyo: 1 patents #2 of 4Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
IS Ishikawa Seisakusho: 1 patents #7 of 32Top 25%
SU Subaru: 1 patents #819 of 1,684Top 50%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
ME Mitsubishi Heavy Industries Aero Engines: 1 patents #24 of 56Top 45%
Overall (All Time): #183,264 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11162445 Vehicle Masaki Komuro, Shuta Takeda, Tetsu MATSUZAKI 2021-11-02
11075497 Laser device and internal combustion engine Kentaroh Hagita, Naoto Jikutani, Toshiyuki Ikeoh, Yuzuru Sasaki, Yusuke Okura 2021-07-27
10480427 Choke valve structure Terutaka Yasuda, Toshihisa Nemoto 2019-11-19
10300539 Rotating-cutting-edge-type milling tool and cutting method using same Eiji Shamoto, Norikazu Suzuki, Yu Hasegawa, Nobukazu Horiike 2019-05-28
10085390 Backpack type blowing apparatus 2018-10-02
D806330 Backpack blower Keiichi Moriya 2017-12-26
8888977 Combination electrode for ion concentration measurement 2014-11-18
8586025 Method of inhibiting methanogenesis Isami Hatano, Makoto Shoda 2013-11-19
7814325 System, method and computer readable medium for certifying release of electronic information on an internet Yoichi Kanai, Masuyoshi Yachida, Tomio Mizuno, Tatsuya Furukawa 2010-10-12
7143144 System, method and computer readable medium for certifying release of electronic information on an internet Yoichi Kanai, Masuyoshi Yachida, Tomio Mizuno, Tatsuya Furukawa 2006-11-28
7028997 Vibration damping tool Hidebumi Takahashi 2006-04-18
6992840 Photographing lens Hotaka Takeuchi, Yasuhiko Abe 2006-01-31
6980369 Zoom lens Hotaka Takeuchi 2005-12-27
6777881 Power supply apparatus for generating plasma Itsuo Yuzurihara, Masahiro Kikuchi, Toyoaki Suenaga 2004-08-17
6235189 Method of supplying dissolved carbon dioxide to plants in an aqueous medium 2001-05-22
6126365 Boring tool Masayuki Okawa, Hidehiko Nagaya, Kazuya Yamazaki 2000-10-03
5794258 System for transmitting figure data within a retrievable range according to the date and time of update Hiroto Sato, Kiyoshi Yoneyama 1998-08-11
5626824 Autoclave Shuji Yokoo, Akira Mizoguchi 1997-05-06
5605611 Carbon dioxide-generating electrode apparatus Sanji Ozawa, Chikara Yokose 1997-02-25
4902962 Detection of the surface of a liquid or foam including moisture inhibiting 1990-02-20
4579631 Measurement of oxygen concentration Yoshio Iwami 1986-04-01
4460451 Steam-sterilizable carbon dioxide sensor Tomoaki Inoue, Mitsunori Kaneko 1984-07-17
4376681 Method of measuring carbon dioxide in a liquid or gas Tomoaki Inoue, Mitsunori Kaneko 1983-03-15