Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450885 | Process for preparation of granules of low-melting-point metals | Hiroyuki Naito, Akira Takahashi, Manshiro Hasegawa, Hisashi Tsuchida | 1984-05-29 |
| 4405371 | Novel clay mineral color developer for pressure sensitive recording paper and process for producing same | Koichi Usui, Masahide Ogawa, Teiji Sato, Yasuo Mizoguchi, Seiji Kojima | 1983-09-20 |
| 4329182 | Granular stabilizer for chlorine-containing polymers | Hiroyuki Naito, Mamoru Saito, Hisashi Tuchida | 1982-05-11 |
| 4324768 | Process for preparation of lead compounds | Hiroyuki Naito, Mamoru Saito, Takashi Mori, Toshio Honma | 1982-04-13 |
| 4265864 | Process for treating bauxite or similar raw material | Hiroyuki Naito, Kiyoshi Takai, Shigehisa Imafuku | 1981-05-05 |
| 4238346 | Detergent builders and process for preparation thereof | Koichi Usui, Masahide Ogawa, Hideaki Kurosaki, Shigehisa Imafuku | 1980-12-09 |
| 4219535 | Alkali metal aluminosilicate detergent builder | Koichi Usui, Masahide Ogawa, Hideaki Kurosaki, Shigehisa Imafuku | 1980-08-26 |
| 4205054 | Process for recovery of nitric acid from nitrates | Hiroyuki Naito, Kiyoshi Takai, Tatuya Kondo | 1980-05-27 |
| 4188268 | Process for an electrode for a lead battery | Yoshibumi Noshi, Hiroyuki Naito, Akira Takahashi, Masanori Ito, Hisashi Tuchida | 1980-02-12 |