NK

Naoki Kawai

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
SC Sanoh Industrial Co. : 3 patents #8 of 96Top 9%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
SK Sanoh Kogyo Kabushiki Kaisha: 1 patents #15 of 57Top 30%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
Overall (All Time): #409,521 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11303141 Protection circuit for battery and power supply device provided with said protection circuit Tetsuya Kawasaki, Hisashi Kameyama, Takahiro Yamashita 2022-04-12
10337660 Coated metal pipe for vehicle piping Takanori Kon, Norinobu KUSUNOKI, Akira SUGITANI 2019-07-02
10281078 Coated metal pipe for vehicle piping and method for producing same Takanori Kon, Norinobu KUSUNOKI, Akira SUGITANI 2019-05-07
8999517 Steel pipe for vehicle piping Yoshihisa Tamura 2015-04-07
8338747 Method of removing coating resin layer of resin-coated metal tube Takanori Kon, Yoshihide Tabayashi, Kazunori Takano, Takaaki Motohashi, Toshio Oshima +1 more 2012-12-25
5852278 Arc welding and arc plasma cutting machines having improved DC high-voltage generator Yoshiaki Tanaka, Seigo Hagiwara, Norikazu Osaki, Kazuo Kimoto 1998-12-22
5792545 Decorative paper/embossing plate in which uneven structure of vessel perforation is reproduced, and preparing method and preparing apparatus therefor Toshio Modegi, Tsuneo Miyasaka, Yashiro Hayashi, Hideki Murota, Ieharu Hashizume +3 more 1998-08-11
5270516 Arc welding machine Koji Hamamoto, Junzo Tanimoto, Tetsu Innami, Yoshinori Nishida 1993-12-14
5168144 Arc welding power apparatus having plural selectable electrode feed quantity settings Toshinori Hongu, Torafumi Takemoto, Koji Hamamoto 1992-12-01
5017757 Pulsed arc welding machine Koji Hamamoto, Masahiro Minooka 1991-05-21
4889969 Reduced-spatter pulse arc welding machine for use with a consumable electrode Kouji Hamamoto, Tomiaki Hosokawa 1989-12-26
4822093 Vehicle seat with rotatable backrest Toshiaki Shimogawa, Satosi Kuwakado, Koji Imai, Toshikazu Ina, Akira Kuno 1989-04-18