Average Co-Inventor Count = 2.25
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Mitsubishi Pencil Kabushiki Kaisha (12 from 196 patents)
2. Konami Digital Entertainment Co., Ltd. (4 from 529 patents)
3. Mitsubishi Pencil Company, Limited (2 from 383 patents)
4. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
19 patents:
1. 11951393 - Game system, terminal apparatus, and recording medium
2. 10016687 - Game system, server device, control method for server device, program, and information recording medium
3. 9713773 - Game system, server device, control method for server device, program, and information recording medium
4. 9416286 - Ink composition for aqueous ballpoint pen
5. 9375642 - Network game system, control method of network game system, game device, control method of game device, program, and information storage medium
6. 7345100 - Water-based ink composition for ball-point pen
7. 7279512 - Water-based ink composition for ballpoint pen
8. 7179006 - Ink follower
9. 7179005 - Ink follower for water-based ink ballpoint pen
10. 6776829 - Water-based ink composition for writing utensil
11. 6613135 - Pseudo-plastic water based ink for ballpoint pen
12. 6605143 - Water based ink composition for writing instrument
13. 6599352 - Water-based ink composition for writing instrument
14. 6423127 - Pseudo-plastic water base ink for ball point pen
15. 6264729 - Water based ink composition for writing instrument