Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7449166 | Particulate titanium oxide and production process therefor | Jun Tanaka, Susumu Kayama | 2008-11-11 |
| 7067105 | Alumina particles, production process thereof, composition comprising the particles and alumina slurry for polishing | Hisao Kogoi, Jun Tanaka | 2006-06-27 |
| 6824758 | Particulate titanium oxide and production process therefor | Jun Tanaka, Susumu Kayama | 2004-11-30 |
| 6416862 | Ultrafine particulate zinc oxide and production process thereof | Hisao Kogoi, Jun Tanaka | 2002-07-09 |
| 6335002 | Ultrafine particulate zinc oxide, production thereof and cosmetic material using the same | Hisao Kogoi, Jun Tanaka | 2002-01-01 |