Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239115 | Gland packing and packing set | Masaru Fujiwara, Katsunori Sugita, Hiroki Tanabe, Kodai Inoue, Hiroyoshi Nakamitsu | 2016-01-19 |
| 8382122 | Gasket | Atsushi Suehiro, Hisashi Maeda, Hiroki Tanabe | 2013-02-26 |
| 8375693 | Yarn | Takashi Ikeda, Katsunori Sugita, Masaru Fujiwara, Hiroki Tanabe, Kodai Inoue | 2013-02-19 |
| 8376370 | Gasket | Atsushi Suehiro, Hisashi Maeda, Hiroki Tanabe | 2013-02-19 |
| 8297624 | Packing | — | 2012-10-30 |
| 8282106 | Gland packing | Masaru Fujiwara | 2012-10-09 |
| 7845262 | Process and apparatus for producing yarn and gland packing | — | 2010-12-07 |
| 7491446 | Annular sliding fluoroplastics member, and method of producing an annular sliding fluoroplastics member | Terumasa Yamamoto | 2009-02-17 |
| 7448631 | Braiding yarn made of expanded graphite, and gland packing | Masao Shimizu, Seiichi Yamashita, Masaru Fujiwara, Akio Ohtani | 2008-11-11 |
| 7353645 | Material for gland packing and the gland packing | Masaru Fujiwara | 2008-04-08 |
| 7155892 | Material for gland packing and the gland packing | Masaru Fujiwara | 2007-01-02 |
| 7140171 | Material for gland packing and the gland packing | Masaru Fujiwara | 2006-11-28 |
| 7086650 | Gland packing | Masaru Fujiwara | 2006-08-08 |
| 6644007 | Braiding yarn made of expanded graphite | Masaru Fujiwara | 2003-11-11 |
| 6568689 | Gland packing | Masaru Fujiwara | 2003-05-27 |
| 6502382 | Expanded graphite knitting yarn and a gland packing | Masaru Fujiwara | 2003-01-07 |
| 6382633 | Shaft seal device using gland packing | Hideto Hashiguchi | 2002-05-07 |
| 6082739 | Gland packing | Masaru Fujiwara | 2000-07-04 |
| 6027809 | Sealing material made of expanded graphite and a method of producing the same | Daisaburo Horii, Katsunori Sugita | 2000-02-22 |
| 6004890 | Heat-resisting material | Terumasa Yamamoto, Tatsuo Yamazaki, Mamoru Shoji, Masachika Yaguchi | 1999-12-21 |
| 5992857 | Composite gasket | Masahiko Takaoka, Takeshi Miyoshi, Shingo Hoshikawa | 1999-11-30 |
| 5971399 | Dual density sanitary pipe gasket | Yoshihito Hashimoto, Takashi Murakami | 1999-10-26 |
| 5803464 | Gland packing | Masaru Fujiwara | 1998-09-08 |
| 5765838 | Sealing gasket made of expanded graphite, with opened thin-leaf surface structure | Masaru Fujiwara, Terumasa Yamamoto | 1998-06-16 |
| 5634645 | Sheet-like gasket with overlapped peripheral portions | Masanori Seki, Akira Hashimoto, Toshiyasu Tanimura | 1997-06-03 |