AS

Akifumi Sakamoto

PA Panasonic: 4 patents #6,180 of 21,108Top 30%
MM Murata Machinery: 2 patents #128 of 397Top 35%
Nichia: 2 patents #761 of 1,531Top 50%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
Overall (All Time): #489,350 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11987445 Lid opening-and-closing device Ryota Yamazaki, Ryoma Nunome 2024-05-21
11961752 Lid opening-and-closing device Ryoma Nunome, Ryota Yamazaki 2024-04-16
9950963 Thermal insulator and method of manufacturing the same Yoshihiko Goto, Yasuo Ito, Ken Maeda 2018-04-24
8391502 Sound reproducing apparatus and audiovisual system Masahiko Mizoguchi, Toshiki Murakami, Akihiro Mitani, Yoshifumi Inoue, Koichi Otsuka 2013-03-05
8175298 Audio output system control method and audio output system Akihiro Mitani, Toshiki Murakami, Masahiko Mizoguchi, Koichi Otsuka, Teruyuki Tomonari +3 more 2012-05-08
8131128 Audiovisual system and control method thereof Koichi Otsuka, Akihiro Mitani, Toshiki Murakami, Masahiko Mizoguchi, Akihiro Fujita +1 more 2012-03-06
7933485 Audio-video output device, audio output device, audio-video reproduction device, audio-video data reproduction system, and audio-video data reproduction method Ayako Takatsuji, Junji Yoshida, Yoshifumi Inoue 2011-04-26
7700061 Heat-resistant material for low-melting metal casting machine 2010-04-20
4821175 Database processing device Sadayuki Hikita, Suguru Kawakami, Hiromi Haniuda, Hideki Yamamoto 1989-04-11
4811207 Join operation processing system in distributed data base management system Sakayuki Hikita, Suguru Kawakami, Hiromi Haniuda, Hideki Yamamoto 1989-03-07