Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7435068 | Production system for pneumatic tires | Masaharu Oku, Keishi Mineo, Shigeru Kaneko, Taizo Ito, Akio Obayashi | 2008-10-14 |
| 6827767 | Ink for ball-point pen and ball-point pen | Masaru Miyamoto, Youji Takeuchi | 2004-12-07 |
| 6818047 | Ink for ball pen and ball pen | Masaru Miyamoto, Youji Takeuchi | 2004-11-16 |
| 6776829 | Water-based ink composition for writing utensil | Masaru Miyamoto, Tadashi Kamagata, Yoji Takeuchi | 2004-08-17 |
| 6613135 | Pseudo-plastic water based ink for ballpoint pen | Masaru Miyamoto, Yoji Takeuchi | 2003-09-02 |
| 6605143 | Water based ink composition for writing instrument | Yoji Takeuchi | 2003-08-12 |
| 6423127 | Pseudo-plastic water base ink for ball point pen | Masaru Miyamoto, Yoji Takeuchi | 2002-07-23 |
| 6264729 | Water based ink composition for writing instrument | Masaru Miyamoto, Yoji Takeuchi | 2001-07-24 |
| 6261351 | Water based ink for ball point pen | Masaru Miyamoto, Yoji Takeuchi | 2001-07-17 |
| 6176910 | Pseudoplastic water based ink for ballpoint pen | Yoji Takeuchi, Masaru Miyamoto | 2001-01-23 |
| 5990201 | Pseudo-plastic aqueous ink for ball point pen | Yoji Takeuchi | 1999-11-23 |
| 5580374 | Aqueous ink composition for ball point pen | Shigeru Okumura | 1996-12-03 |
| 5234647 | Method of manufacturing rubber sheet with rugged patterns formed on its one side surface portion | Shigeaki Harada, Noriyuki Iwanaga | 1993-08-10 |
| 4773057 | Apparatus for reproducing selectively loaded discs of different diameters | Minoru Otsuka, Kazuto Naganuma, Keiji Maruta, Akihiro Yamada, Kazuyuki Takizawa +2 more | 1988-09-20 |
| 4440511 | Multishaft supporting devices | Junya Ishibashi, Shoichi Tanaka | 1984-04-03 |