MW

Masao Wakayama

NS Nippon Soken: 4 patents #322 of 1,540Top 25%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #1,302,765 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4815431 Oil heating apparatus for internal combustion engine Hiroshi Yorita, Toshihiko Igashira, Takeshi Tanaka, Kouichi Sakakibara, Takashi Sato +1 more 1989-03-28
4500360 Sliding member made of fiber-reinforced metal Makoto Takemura, Takao Kasagi 1985-02-19
4396565 Method for producing a filter Masahiro Tomita 1983-08-02
4381929 Apparatus for adsorbing fuel vapor Junzi Mizuno, Yukihisa Takeuchi, Akira Fukami, Masahiro Tomita 1983-05-03