| 12227024 |
Writing implement |
Toshimi Kamitani, Chihiro Mochizuki, Kaito Tsukada |
2025-02-18 |
| 12187068 |
Fiber-bundled part for writing instruments, and pen tip and writing instrument using the fiber-bundled part |
Toshihiro Takahashi, Toshimi Kamitani |
2025-01-07 |
| 9669649 |
Mechanical pencil |
Daisaku Morimoto |
2017-06-06 |
| 9358828 |
Mechanical pencil |
Kei Oomoto |
2016-06-07 |
| 9302529 |
Mechanical pencil |
Takeshi Kobayashi, Kyo Nakayama |
2016-04-05 |
| 8337107 |
Mechanical pencil |
Norio Ohsawa, Takeo Fukumoto, Yoshitoshi Osano, Takeshi Kobayashi, Kyo Nakayama |
2012-12-25 |
| 8328446 |
Mechanical pencil |
Takeo Fukumoto, Norio Ohsawa, Kyo Nakayama, Yoshitoshi Osano |
2012-12-11 |
| 7850380 |
Mechanical pencil |
Takeshi Kobayashi, Kyo Nakayama |
2010-12-14 |
| 7850381 |
Mechanical pencil |
Takeshi Kobayashi, Kyo Nakayama |
2010-12-14 |
| 7815385 |
Mechanical pencil |
Takeo Fukumoto, Norio Ohsawa, Kyo Nakayama, Yoshitoshi Osano |
2010-10-19 |
| 7806615 |
Mechanical pencil |
Takeshi Kobayashi, Kyo Nakayama |
2010-10-05 |
| 7802936 |
Mechanical pencil |
Takeshi Kobayashi, Kyo Nakayama |
2010-09-28 |
| 7654763 |
Mechanical pencil |
Takeo Fukumoto, Norio Ohsawa, Kyo Nakayama, Yoshitoshi Osano |
2010-02-02 |