Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10599081 | Image forming apparatus and voltage application method | Masashi Tachi, Takuma Higa, Masayoshi Nakayama, Masaki Sukesako, Tomohide Takenaka +2 more | 2020-03-24 |
| 10241462 | Image forming apparatus | Masayoshi Nakayama, Takuma Higa, Masaki Sukesako, Masashi Tachi, Kazuaki Kamihara +2 more | 2019-03-26 |
| 9696654 | Image forming apparatus comprising image density detector and toner concentration detector | Masayoshi Nakayama, Takuma Higa, Hiroyuki Kunii, Masaki Sukesako, Kazuaki Kamihara +2 more | 2017-07-04 |
| 9500978 | Image forming apparatus including electric charge removing device and method of forming image | Masayoshi Nakayama, Takuma Higa, Hiroyuki Kunil, Masaki Sukesako, Kazuaki Kamihara +4 more | 2016-11-22 |
| 9488931 | Image forming apparatus | Makoto Yasuda, Jun Hitosugi, Takamasa Ozeki, Mutsuki Morinaga, Emiko Shiraishi +14 more | 2016-11-08 |
| 9310743 | Image forming apparatus and cleaning of image forming apparatus | Emiko Shiraishi, Tadashi Kasai, Makoto Yasuda, Mutsuki Morinaga, Hitoshi Yamamoto | 2016-04-12 |
| 9239542 | Image forming apparatus | Tadashi Kasai, Makoto Yasuda, Mutsuki Morinaga, Hitoshi Yamamoto, Emiko Shiraishi | 2016-01-19 |
| 9176431 | Developing device and image forming apparatus and process cartridge incorporating same | Toshio Koike, Kiyonori Tsuda, Yutaka Takahashi, Keinosuke Kondoh, Kentaro Mikuniya | 2015-11-03 |
| 9128428 | Image forming apparatus which includes a colorless toner image forming device | Mutsuki Morinaga, Tadashi Kasai, Masato Iio, Makoto Yasuda, Hitoshi Yamamoto | 2015-09-08 |
| 8947732 | Print control device and print control method | Masanori Kurosawa, Hiroaki Suzuki, Masato Iio, Tadashi Kasai, Makoto Yasuda +2 more | 2015-02-03 |
| 5868635 | Golf club head and method of manufacturing the same | Shoichi Dekura | 1999-02-09 |
| 5816936 | Golf club head and method of manufacturing the same | Mahito Kimura, Yasuto Imai | 1998-10-06 |
| 5697855 | Golf club head | — | 1997-12-16 |
| 5697854 | Golf club head and method of manufacturing the same | Shoichi Dekura | 1997-12-16 |
| 5686155 | Hollow cylindrical member | Hiroyasu Suzue | 1997-11-11 |
| 5669824 | Iron club and iron club set | Yutaka Oku | 1997-09-23 |
| 5665441 | Hollow cylindricall member | Hiroyasu Suzue | 1997-09-09 |
| 5658207 | Golf club head | Shoichi Dekura | 1997-08-19 |
| 5643103 | Golf club set | — | 1997-07-01 |
| 5616088 | Golf club head | Yasuto Imai | 1997-04-01 |
| D377381 | Golf club head | Kunihiko Takahashi | 1997-01-14 |
| 5586949 | Hollow club head with sole plate support structure | — | 1996-12-24 |
| 5547194 | Golf club head | Mahito Kimura, Yasuto Imai | 1996-08-20 |
| D368945 | Golf club head | Kanji Iinuma | 1996-04-16 |
| 5472201 | Golf club head and striking face | Mahito Kimura | 1995-12-05 |