Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7015296 | Preparation of linear organosiloxane polymers | Hiroshi Nakayama, Hiromi Nakabayashi, Masaaki Furuya, Tetsuo Nakanishi | 2006-03-21 |
| 6809053 | Method for reactivating sulfonated resin catalyst | Hiroshi Nakayama, Hiromi Nakabayashi, Susumu Ueno | 2004-10-26 |
| 6737538 | Purification of silicone oil | Hiroshi Nakayama, Hiromi Nakabayashi, Susumu Ueno | 2004-05-18 |
| 5922893 | Method for preparing monosilanes from a high-boiling fraction formed as by-products in the direct synthesis of methylchlorosilanes | Akihito Tsukuno, Yukinori Satoh, Kesaji Harada, Shoichi Tanaka, Masaaki Furuya | 1999-07-13 |
| 5475077 | Method for the preparation of diorganopolysiloxane end-blocked with silanolic hydroxy groups | Makoto Sato, Masaaki Furuya | 1995-12-12 |
| 5421852 | Hard alloy and its manufacturing method | Hiroshi Nakagaki, Minori Shirane | 1995-06-06 |
| 5312947 | Siloxane purification | Akihito Tsukuno, Isao Watanuki, Makoto Sato, Masaru Suzuki, Masaaki Furuya | 1994-05-17 |
| 5264601 | N,O-bis(trimethylsilyl) acetamide stabilization | Toshio Shinohara, Muneo Kudo, Susumu Ueno | 1993-11-23 |
| 4868065 | Alloy tool of hard metal | Atsushi Seki, Yoshihiro Minato | 1989-09-19 |
| 4753678 | Sintered hard metal having superior toughness | Atsushi Seki, Masayoshi Yatabe, Kotaro Hagiwara | 1988-06-28 |
| 4401297 | Sintering furnace for powder metallurgy | Yoshihiko Doi, Toshikazu Hirayama, Yasushi Miyawaki | 1983-08-30 |