Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858287 | Thickeners and hydraulic compositions | Hironao Saito, Tsutomu Yamakawa | 2020-12-08 |
| 10294158 | Hydraulic composition | Tsutomu Yamakawa | 2019-05-21 |
| 10047009 | Cement mortar composition | Tsutomu Yamakawa | 2018-08-14 |
| 10035728 | Concrete composition and making method | Tsutomu Yamakawa | 2018-07-31 |
| 9469570 | Concrete composition | Tsutomu Yamakawa | 2016-10-18 |
| 8895632 | Anthracene derivative, compound obtained therefrom, composition, cured product, and process for producing same | Hiroyuki Hyodo | 2014-11-25 |
| 8652252 | Extrusion molding hydraulic composition | Rumiko Itoh, Tsutomu Yamakawa, Kazuhisa Hayakawa | 2014-02-18 |
| 5299729 | Method of forming a bump electrode and manufacturing a resin-encapsulated semiconductor device | Akira Matsushita | 1994-04-05 |
| 5172851 | Method of forming a bump electrode and manufacturing a resin-encapsulated semiconductor device | Akira Matsushita | 1992-12-22 |