TN

Toshio Nakayama

KT Kabushiki Kaisha Toshiba: 12 patents #2,533 of 21,451Top 15%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
JE Jx Nippon Oil & Energy: 7 patents #34 of 416Top 9%
SC Sumitomo Chemical: 5 patents #946 of 4,033Top 25%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Electronic Devices Co.: 5 patents #12 of 92Top 15%
TW The Japan Steel Works: 4 patents #50 of 643Top 8%
NO Nippon Oil: 4 patents #154 of 773Top 20%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
HC House Food Industrial Co.: 2 patents #32 of 117Top 30%
TK Tokyo Kogaku Kikai: 2 patents #34 of 143Top 25%
TC Tokyo Sanyo Electric Co.: 1 patents #24 of 89Top 30%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
ML Mitsubishi Petrochemical Company Limited: 1 patents #291 of 670Top 45%
Overall (All Time): #45,695 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
D292526 Stand for mounting ophthalmologic instruments 1987-10-27
4468934 Absorption refrigeration system Katsuyuki Mashimo, Teruo Masuda, Masuyuki Hashimoto, Takeshi Kanai 1984-09-04
4455247 Composition for use in an absorption refrigeration system Takeshi Kanai 1984-06-19
4443730 Biological piezoelectric transducer device for the living body Mitsuaki Kitamura, Kunio Kamimura, Iwao Seo, Tomonobu Yaguchi 1984-04-17
D266995 Lens meter 1982-11-23