NM

Naoyuki Maruyama

CC Central Japan Railway Comany: 9 patents #5 of 313Top 2%
NS Nippon Sharyo: 9 patents #5 of 87Top 6%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
EP Epson: 3 patents #6 of 66Top 10%
SS Suwa Seikosha: 3 patents #32 of 220Top 15%
📍 Chiyoda, JP: #203 of 1,712 inventorsTop 15%
Overall (All Time): #237,057 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
10538415 Ceiling unit and elevator car including ceiling unit 2020-01-21
D869335 Passenger carrying car Yukio Takahashi, Yuya Futamura, Koichi Hayashi, Hiroki Tanaka, Naoya Ozawa 2019-12-10
D860049 Passenger carrying car Yukio Takahashi, Yuya Futamura, Koichi Hayashi, Hiroki Tanaka, Naoya Ozawa 2019-09-17
10233054 Elevator car upper handrail apparatus Takahide Ishiguro, Hironobu Kamada, Hideki Miyahara, Kazuya Shindo 2019-03-19
9751538 Sound absorbing panel Yukio Takahashi, Hiroki Tsunoda, Yuya Futamura, Koichi Hayashi, Naoya Ozawa +1 more 2017-09-05
9617119 Elevator apparatus 2017-04-11
9511979 Underslung elevator 2016-12-06
D757605 Passenger carrying car Yukio Takahashi, Yuya Futamura, Koichi Hayashi, Hiroki Tanaka, Naoya Ozawa 2016-05-31
D756843 Passenger carrying car Yukio Takahashi, Yuya Futamura, Koichi Hayashi, Hiroki Tanaka, Naoya Ozawa 2016-05-24
D701817 Sound absorbing portions of passenger carrying car Yukio Takahashi, Yuya Futamura, Koichi Hayashi, Hiroki Tanaka, Naoya Ozawa 2014-04-01
D701818 Sound absorbing portions of passenger carrying car Yukio Takahashi, Yuya Futamura, Koichi Hayashi, Hiroki Tanaka, Naoya Ozawa 2014-04-01
D701482 Sound absorbing portions of passenger carrying car Yukio Takahashi, Yuya Futamura, Koichi Hayashi, Hiroki Tanaka, Naoya Ozawa 2014-03-25
D701483 Sound absorbing portions of passenger carrying car Yukio Takahashi, Yuya Futamura, Koichi Hayashi, Hiroki Tanaka, Naoya Ozawa 2014-03-25
8336677 Safety device for elevator and rope slip detection method Hiroshi Kigawa, Eiji Ando 2012-12-25
8297413 Safety device for elevator and rope slip detection method using drive sheave acceleration Hiroshi Kigawa, Eiji Ando 2012-10-30
8261886 Safety device for elevator and rope slip detection method Hiroshi Kigawa, Eiji Ando 2012-09-11
D279292 Electronic printer 1985-06-18
D278821 Electronic printer 1985-05-14
D278714 Electronic printer 1985-05-07