AK

Akira Kawai

Nissan Motor Co.: 12 patents #548 of 8,689Top 7%
PA Panasonic: 10 patents #2,582 of 21,108Top 15%
TO Tosoh: 9 patents #48 of 1,042Top 5%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
NC Nihon Plast Co.: 5 patents #20 of 253Top 8%
ML Mitsubishi Paper Mills Limited: 3 patents #131 of 458Top 30%
KC Kasai Kogyo Co.: 2 patents #13 of 121Top 15%
KS Kawai Gakki Seisakusho: 1 patents #113 of 198Top 60%
CH Chisso: 1 patents #468 of 833Top 60%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
JP Japan Polychem: 1 patents #37 of 104Top 40%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
OI Osada Research Institute: 1 patents #2 of 4Top 50%
📍 Somalomo, CM: #19 of 1,329 inventorsTop 2%
Overall (All Time): #70,340 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
11820695 Manufacturing method for preform of multi-core fiber and manufacturing method for multi-core fiber Takuji Nagashima, Kimiaki Sato, Kazuo Kaneko 2023-11-21
10468648 Battery pack for electric power tool Masaki Ikeda, Naoki Tsuruta 2019-11-05
10263543 Electric tool system Masaki Ikeda, Naoki Tsuruta 2019-04-16
9746860 Electric tool adaptor and electric tool system using same Masaaki Sakaue, Masaki Ikeda 2017-08-29
9484567 Battery pack 2016-11-01
9178380 Charger apparatus capable of determining deterioration of second battery Masaki Ikeda, Masaaki Sakaue, Toshiharu Ohashi 2015-11-03
9142993 Charge circuit, and battery-charger assemblage with the charge circuit Masaki Ikeda 2015-09-22
8847532 Electric tool Hiroshi Miyazaki, Hidenori Shimizu, Masaaki Okada 2014-09-30
8524173 Microchannel structure and fine-particle production method using the same Maho Yamanaka, Koji Katayama, Hiroki Takamiya 2013-09-03
8405348 Charging circuit Masaaki Sakaue 2013-03-26
7718099 Fine channel device, fine particle producing method and solvent extraction method Koji Kitayama, Toru Futami, Katsuyuki Hara, Tomohiro Ohkawa, Keiichiro Nishizawa +2 more 2010-05-18
7641871 Fine channel device and a chemically operating method for fluid using the device Toru Futami, Tomohiro Ohkawa, Tomoyuki Oikawa, Koji Katayama, Keiichiro Nishizawa 2010-01-05
7612525 Electrical apparatus Masatoshi Ito, Hiroshi Miyazaki, Toshiharu Ohashi 2009-11-03
7570000 Control drive circuit for electric power tool Hiroshi Miyazaki 2009-08-04
7553434 Fine channel device, fine particle producing method and solvent extraction method Koji Kitayama, Toru Futami, Katsuyuki Hara, Tomohiro Ohkawa, Keiichiro Nishizawa +2 more 2009-06-30
7338641 Fine channel device, desksize chemical plant and fine particle producing apparatus employing them Koji Katayama, Toru Futami, Shinichi Matsumoto, Tomohiro Ohkawa, Tomoyuki Oikawa +1 more 2008-03-04
7201873 Fine channel device, method for producing the fine channel device and use of the same Tsuyoshi Tanaka, Toshinori Hayashi, Toru Futami, Koji Katayama, Keiichiro Nishizawa 2007-04-10
6791677 Information measuring apparatus using a fine channel device Koji Katayama, Toru Futami, Tomoyuki Oikawa, Keiichiro Nishizawa 2004-09-14
6750390 Automatic performing apparatus and electronic instrument Noriyuki Ueta, Hideyuki Tanaka 2004-06-15
6441075 Polyolefin-based resin composition and automotive molded plastic made from same Tomio Hirata, Kazuo Matsuyama, Kazuyuki Yamamoto, Kazushige Ohnishi, Minoru Adachi +5 more 2002-08-27
6309011 Impact-absorbing system for automotive vehicle Kazuo Matsuyama, Motoru Komatsu, Satoru Ichikawa, Satoru Yoshikawa 2001-10-30
6170902 Door trim covering a door for a vehicle Tomonari Sakuma 2001-01-09
6095591 Interior material for automotive vehicle Kazuo Matsuyama, Motoru Komatsu, Satoru Ichikawa, Satoru Yoshikawa 2000-08-01
6059342 Car body structure Motoru Komatsu, Satoru Ichikawa, Tetsuo Maki 2000-05-09
6036251 Energy absorbing door panel Fumio Yagishita, Kazushi Yasue, Nobuhiko Takahashi 2000-03-14