IY

Issei Yamakoshi

SE Seiko Epson: 13 patents #1,445 of 7,774Top 20%
TD Tokyo R & D: 5 patents #5 of 42Top 15%
Overall (All Time): #390,022 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6054818 Electric motor vehicle Kunio Tabata, Minoru Kozaki, Kunihiko Takagi, Yoshikazu Koike, Takeo Sato +2 more 2000-04-25
6037726 Electric motor vehicle Kunio Tabata, Minoru Kozaki, Kunihiko Takagi, Yoshikazu Koike, Takeo Sato +2 more 2000-03-14
6023838 Method of producing motor casing Yoshikazu Koike, Kunihiko Takagi 2000-02-15
5952751 Motor casing and method of producing same Yoshikazu Koike, Kunihiko Takagi 1999-09-14
5931245 Battery control system for electric vehicle Akihito Uetake, Kunihiko Takagi, Takeshi Seto, Haruki Torizuka, Tamotsu Fukazawa +1 more 1999-08-03
5900686 Electric motor vehicle Kunio Tabata, Minoru Kozaki, Kunihiko Takagi, Yoshikazu Koike, Takeo Sato +2 more 1999-05-04
5864191 Efficient permanent magnet rotor for brushless motor Takashi Nagate, Akiyoshi Ishiguro 1999-01-26
5853058 Electric power unit and power transmitting unit for electric vehicles Ken Endo, Masao Ono, Tamotsu Fukazawa 1998-12-29
5765671 Electric power unit and power transmitting unit for electric vehicles Ken Endo, Masao Ono, Tamotsu Fukazawa 1998-06-16
5679995 Permanent magnet rotor of brushless motor Takashi Nagate, Akiyoshi Ishiguro 1997-10-21
5632157 Electric automobile Hirokazu Sekino 1997-05-27
5488837 Electric automobile Hirokazu Sekino 1996-02-06
5345777 Electric automobile Hirokazu Sekino 1994-09-13