Masato Sakai

HC Hitachi Koki Co.: 57 patents #2 of 888Top 1%

OD Oki Data: 16 patents #28 of 635Top 5%

OC Oki Electric Industry Co.: 5 patents #405 of 2,807Top 15%

TO Toshiba: 4 patents #258 of 2,688Top 10%

Rohm Co.: 4 patents #677 of 2,292Top 30%

SU Sumco: 3 patents #118 of 464Top 30%

JR Japan Synthetic Rubber: 3 patents #110 of 558Top 20%

KC Konami Digital Entertainment Co.: 2 patents #166 of 611Top 30%

HI Hitachi: 2 patents #13,388 of 28,497Top 50%

DI Daicel Chemical Industries: 1 patents #476 of 893Top 55%

SA Sanden: 1 patents #336 of 631Top 55%

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%

TC Takiron Co.: 1 patents #20 of 69Top 30%

HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%

FC Futaba Industrial Co.: 1 patents #70 of 167Top 45%

OS Olympus Medical Systems: 1 patents #501 of 833Top 65%

📍 Ibaraki, CA: #4 of 23 inventorsTop 20%

Overall (All Time): #13,763 of 4,157,543Top 1%

103

Patents All Time

Issued Patents All Time

Showing 101–103 of 103 patents

Patent #	Title	Co-Inventors	Date
4387203	Multi-component polymer rubber	Isao Furuta, Yasuhiko Takemura, Toshio Miyabayashi, Shinichiro Zen	1983-06-07
4385866	Curved blade rotor for a turbo supercharger	Toshihiko Ochiai, Kiyoshi Nakamura, Katsutoshi Nishida	1983-05-31
4325334	Prechamber cup for an internal combustion engine	Katsutoshi Nishida, Syoji Okada, Akio Ando	1982-04-20