MS

Makoto Sugita

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
Overall (All Time): #1,008,429 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8716924 Spark plug having stress corrosion cracking resistance Hiroaki Nasu, Akito Sato, Shingo Kuwahara 2014-05-06
8704434 Spark plug and method of manufacturing the same Kenji Moritani, Hiroaki Nasu 2014-04-22
D358411 Electronic copying machine Yoshihisa Minakawa, Osamu Miki 1995-05-16
D350767 Electrostatic copying machine Fumiyo Kojima, Akira Momose, Mayumi Hamazaki, Tatsuhiro Terasaki, Takafumi Hoshimura 1994-09-20
D334567 Electronic filing system with facsimile transmitter/receiver Tamaki Someya, Yuji Suzuki 1993-04-06