Top Inventors at Pi R&D Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Itatani | 8 |
| 2 | Maw Soe Win | 8 |
| 3 | Toshiyuki Goshima | 8 |
| #4 | Shunichi Matsumoto | 6 |
| #5 | Sigemasa Segawa | 5 |
| #6 | Eiji Nagata | 4 |
| #7 | Eika Kyo | 3 |
| #8 | Masashi Yano | 3 |
| #9 | Mitsuru Nozaki | 3 |
| #10 | Hiroshi Nakagawa | 2 |
| #11 | Katsuya Kikuchi | 2 |
| #12 | Kazuhiko Tokoro | 2 |
| #13 | Masahiro Aoyagi | 2 |
| #14 | Shintaro Nakajima | 2 |
| #15 | Shuzo Waki | 2 |
| #16 | Takaki Mori | 2 |
| #17 | Hiromasa Honjo | 1 |
| #18 | Hiroyuki Ishii | 1 |
| #19 | Hidenao Takato | 1 |
| #20 | Isao Sakata | 1 |
| #21 | Junichi Yamashita | 1 |
| #22 | Ken Takanashi | 1 |
| #23 | Kiyoshi Ishii | 1 |
| #24 | Masanori Fujii | 1 |
| #25 | Masanori Komuro | 1 |
| #26 | Morio Gaku | 1 |
| #27 | Norikatsu Akiyama | 1 |
| #28 | Seung Joon Hong | 1 |
| #29 | Tarou Itatani | 1 |
| #30 | Takabumi Omori | 1 |
| #31 | Takahiro Sato | 1 |
| #32 | Tetsuaki Suzuki | 1 |
| #33 | Toyokazu Nagato | 1 |
| #34 | Toshihiro Zushi | 1 |
| #35 | Tsunenori Sakamoto | 1 |
| #36 | Whan Jin Roh | 1 |
| #37 | Yasuo Kikuchi | 1 |
| #38 | Yasuo Tanaka | 1 |
| #39 | Yoshikazu Nishikawa | 1 |
| #40 | Sucheta Gorwadkar | 1 |
| #41 | Akihiro Nomoto | 1 |